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Umamusume: Pretty Derby

Cancer Cup Seiun Sky Front Runner Build

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★ Best Characters | Best Support | Best Skills
★ Trainees: Kawakami Princess
★ Tamamo Cross | Zenno Rob Roy | Mihono Bourbon
★ Champions Meeting: Libra Cup
★ Friend ID Sharing Board | December 2025 Schedule
★ Character Tier List Maker | Support Tier List Maker

This is a Champions Meeting guide for building Seiun Sky (Reeling in the Big One) as a Front Runner for the Cancer Cup in Umamusume: Pretty Derby. Find out how to build Seiun Sky for Champions Meeting Cancer Cup and her best skill setups here.

Seiun Sky Related Guides
Seiun Sky Reeling in the Big One Show Seiun Sky (Reeling in the Big One)
Seiun Sky SSR Wit SSR Wit
Seiun Sky SSR Stamina SSR Stamina
Seiun Sky R Stamina R Stamina
Cancer Cup Builds
Smart Falcon Front RunnerSeiun Sky Front Runner
Seiun Sky Front RunnerSmart Falcon Front Runner
El Condor Pasa Pace ChaserEl Condor Pasa Pace Chaser
 -

List of Contents

Cancer Cup Seiun Sky (Reeling in the Big One) Build

Umamusume AttentionAttention! This is a character build for the Cancer Cup Champions Meeting.
This guide may be updated as we think of up more strategies for CM! Stay tuned!

Cancer Cup Seiun Sky Stats and Training

General Stat Recommendations
Speed
1200		 Stamina
600+		 Power
800+		 Guts
300		 Wit
400
Recommended Training Grade: A or better
Note that the above stats can apply to the Graded League. You can relax your stats a bit more for Open League, but we always recommend you prioritize enough Stamina.

Maximize both Speed and Power whenever possible.

Seiun Sky (Reeling in the Big One) is best built as a Front Runner, an aggressive running style that puts her at the front immediately. This running style is essential to having her unique skill Angling and Scheming activate.

Note that building Seiun Sky won't be easy; you'll need to luck out on getting Groundwork and enough green skills to effective push her towards the front immediately, and will still have to deal with her career that requires a Stamina check for Long races like Arima Kinen.

Training Guide: Which Stats to Train?

Recommended Teammates

Ideal Team Picks
El Condor Pasa (El Numero 1) IconEl Condor Pasa (El Numero 1)
Front/Pace
(Ace)		 Nice Nature (Poinsettia Ribbon) IconNice Nature (Poinsettia Ribbon)
Late Surger
(Debuffer)
Alternative Team Picks
Smart Falcon (LOVE☆4EVER) IconSmart Falcon (LOVE☆4EVER)
Front Runner
(Ace)		 Grass Wonder (Stone-Piercing Blue) IconGrass Wonder (Stone-Piercing Blue)
Late Surger
(Ace)		 Vodka (Wild Top Gear) IconVodka (Wild Top Gear)
Late Surger
(Ace)
Daiwa Scarlet (Peak Blue) IconDaiwa Scarlet (Peak Blue)
Front/Pace
(Ace)		 Oguri Cap (Starlight Beat) IconOguri Cap (Starlight Beat)
Pace/Late
(Ace)

Above are some teammates that can be suggested for Seiun Sky (Reeling in the Big One) in Champions Meeting since they can fill in other roles that can support her. You can still excel with other Umamusume should the above be unavailable.

When having Seiun Sky compete, you'll want to be sure you're not using an Anti-Angling and Scheming build (max Power and max Wit over Speed) that will put her unique skill at a disadvantage. The build itself will lose speed in the late-race, placing her and Seiun Sky at a disadvantage. Instead, you'll want to maximize another strong Ace that can pick up, or another debuffer instead.

There's a wider pool of potential strong entries in the Cancer Cup, since a lot more racers are adept at Mile distance races or have the acceleration skills for it. You're free to enter and build existing Umamusume from previous cups, such as Oguri Cap (Starlight Beat), or even Narita Taishin (Nevertheless) if you have the necessary Mile sparks.

Cancer Cup Seiun Sky Build Support Cards

Cancer Cup Training Deck Setups

Deck Setups Strong Options
Speed 3 Power 3
Speed 3 Power 2 Wit 1
Air Groove (Nothing Escapes the Vice Prez) Support Card Tazuna Hayakawa (Tracen Reception) Support Card Vodka (Wild Rider) Support Card Smart Falcon (My Umadol Way! ☆) Support Card Oguri Cap (Get Lots of Hugs for Me) Support Card Mihono Bourbon (Pal-Assisted Training) Support Card Silence Suzuka (Beyond This Shining Moment) Support Card Twin Turbo (Turbo Booooost!) Support Card Kitasan Black (Fire at My Heels) Support Card Symboli Rudolf (Tracen Academy) Support Card
ⓘ Above are the recommended deck setups and support cards. You do not have to confine yourself to these setups, so we encourage you experiment with different cards while there is still time for the Champions Meeting.
Sample Front Decks
If Groundwork source is from a Parent:
Kitasan Black (Fire at My Heels) Support Card Twin Turbo (Turbo Booooost!) Support Card Silence Suzuka (Beyond This Shining Moment) Support Card Vodka (Wild Rider) Support Card Mihono Bourbon (Pal-Assisted Training) Support Card Smart Falcon (My Umadol Way! ☆) Support Card
If Groundwork source is from a Support Card:
Kitasan Black (Fire at My Heels) Support Card Twin Turbo (Turbo Booooost!) Support Card Silence Suzuka (Beyond This Shining Moment) Support Card Vodka (Wild Rider) Support Card Mihono Bourbon (Pal-Assisted Training) Support Card Oguri Cap (Get Lots of Hugs for Me) Support Card
Sample deck with SSR Tazuna Hayakawa. Groundwork source from SR Air Groove Guts. Free to adjust if Groundwork source will be from a Parent.
Kitasan Black (Fire at My Heels) Support Card Silence Suzuka (Beyond This Shining Moment) Support Card Vodka (Wild Rider) Support Card Smart Falcon (My Umadol Way! ☆) Support Card Air Groove (Nothing Escapes the Vice Prez) Support Card Tazuna Hayakawa (Tracen Reception) Support Card

The recommended deck setups for Seiun Sky (Reeling in the Big One) are decks that can maximize Speed and Power. Seiun Sky needs the Speed and Power to maintain the lead as a Front Runner from beginning to the end. Stamina is a lesser priority stat in this race, but make sure to still have enough to survive the distance.

Speed builds Power, and Power builds Stamina, so it will be best to try and max out these training facilities. Only train on Wit or Stamina when needed, preferrably in Summer Camp where facility levels are maxed, or on training days where there isn't much to do for Speed and Power.

Cancer Cup Seiun Sky Build Skills

Seiun Sky (Reeling in the Big One) Priority Skills

High Priority Skills
Uniques
El Condor Pasa (Kukulkan Warrior) Victoria por Plancha ☆ Victoria por Plancha ☆
Smart Falcon (LOVE☆4EVER) SPARKLY☆STARDOM SPARKLY☆STARDOM
Daiwa Scarlet (Peak Blue) Resplendent Red Ace Resplendent Red Ace
Mejiro McQueen (Frontline Elegance) The Duty of Dignity Calls The Duty of Dignity Calls
Silence Suzuka (Innocent Silence) The View from the Lead is Mine! The View from the Lead is Mine!
Speed Highly Recommended:
Groundwork Icon Groundwork
Professor of Curvature Professor of Curvature
┗ Corner Adept ◯ Corner Adept ◯
Escape Artist Escape Artist
┗ Fast-Paced Fast-Paced
Rushing Gale! Rushing Gale!
┗ Straightaway Acceleration Straightaway Acceleration
In Body and Mind In Body and Mind
┗ Homestretch Haste Homestretch Haste
Unrestrained Unrestrained
┗ Final Push Final Push
Tail Held High Icon Tail Held High
Playtime Playtime's Over!
Unyielding Spirit Icon Unyielding Spirit
Mile Corners ◯ Icon Mile Corners ◯
Mile Straightaway ◯ Icon Mile Straightaway ◯
Front Runner Straightaways ◯ Icon Front Runner Straightaways ◯
Front Runner Corners ◯ Icon Front Runner Corners ◯
Recovery
Swinging Maestro Icon Swinging Maestro
┗ Corner Recovery ◯
Restless Restless
┗ Moxie Moxie
Passives
Tokyo Racecourse ◯ Icon Tokyo Racecourse ◯
Wet Conditions ◯ Icon Wet Conditions ◯
Left-Handed ◯ Icon Left-Handed ◯
Standard Distance ◯ Icon Standard Distance ◯
Summer Runner ◯ Icon Summer Runner ◯
Sunny Days ◯ Icon Sunny Days ◯

Looking for the sources of the skills above? Check the search table in the next section!

For skills, you'll want to prioritize Speed Skills and Green Skills this time for the Cancer Cup, then Blue Skills last if you find your Stamina to be lacking. To maximize the discount/hints of your skills, you can try saving Seiun Sky's skill points up to near the end of the URA Finale.

Best Skills Tier List

Skill Sources (Support Cards and Characters)

ⓘ On mobile, swipe sideways on the table to scroll horizontally. On desktop, you can click and drag inside the table (if all columns are not shown).
ⓘ To view the tooltip of Support Card/Umamusume (name/rarity/type), press and hold on their icon. On desktop, hover the mouse over them.
Skill Type Support Card Umamusume Effect
Tokyo Racecourse ◯ Icon Tokyo Racecourse ◯ Passive Hint Events:
Vodka (Wild Rider) Vodka (Tracen Academy)
Career Events:
None
 Innate Skill:
None
Unique Skill:
None
Potential Unlock:
None
Character Events:
Special Week (Special Dreamer) Special Week (Hopp Eishin Flash (Meisterschaft)
Moderately increase performance at Tokyo Racecourse.
Trigger: Racecourse
Standard Distance ◯ Icon Standard Distance ◯ Passive Hint Events:
El Condor Pasa (Champion Nishino Flower (Even the Littlest Bud) Eishin Flash (5:00 a.m.-Right on Schedule) El Condor Pasa (Tracen Academy) Eishin Flash (Tracen Academy) Nishino Flower (Tracen Academy) Nishino Flower (Lifting Your Spirits) Kawakami Princess (Princess Bride) Kawakami Princess (Tracen Academy)
Career Events:
Bamboo Memory (Head-On Fight!) Bamboo Memory (Tracen Academy)
Innate Skill:
Agnes Tachyon (Tach-nology)
Unique Skill:
None
Potential Unlock:
None
Character Events:
Eishin Flash (Meisterschaft)
Moderately increase performance over standard distances (multiples of 400m).
Left-Handed ◯ Icon Left-Handed ◯ Passive Hint Events:
Mejiro Ardan (My Heart Will Go On) Mejiro Ardan (Tracen Academy)
Career Events:
Silence Suzuka (Beyond This Shining Moment) Silence Suzuka (Tracen Academy) Silence Suzuka (Winning Dream) Zenno Rob Roy (Magical Heroine)
Innate Skill:
None
Unique Skill:
None
Potential Unlock:
Silence Suzuka (Innocent Silence)
Character Events:
Silence Suzuka (Innocent Silence)
Moderately increase performance on left-handed tracks.
Summer Runner ◯ Icon Summer Runner ◯ Passive Hint Events:
Fuji Kiseki (Well, Look Who Fuji Kiseki (Tracen Academy)
Career Events:
None
 Innate Skill:
None
Unique Skill:
None
Potential Unlock:
None
Character Events:
None
 Moderately increase performance in summer.
Trigger: Season
Sunny Days ◯ Icon Sunny Days ◯ Passive Hint Events:
El Condor Pasa (Champion Mejiro Dober (Ignore the Stares) El Condor Pasa (Tracen Academy) Mejiro Dober (Tracen Academy) Satono Diamond (The Will to Overtake) Satono Diamond (Tracen Academy) Hishi Akebono (Who Wants the First Bite?) Hishi Akebono (Tracen Academy) Mejiro Dober (My Thoughts, My Desires)
Career Events:
El Condor Pasa (Champion El Condor Pasa (Tracen Academy) Hishi Akebono (Who Wants the First Bite?)
Innate Skill:
None
Unique Skill:
None
Potential Unlock:
Special Week (Hopp
Character Events:
None
 Moderately increase performance in sunny weather.
Trigger: Weather
Wet Conditions ◯ Icon Wet Conditions ◯ Passive Hint Events:
Special Week (The Brightest Star in Japan) Smart Falcon (My Umadol Way! ☆) Biwa Hayahide (Trial Initiation) Manhattan Cafe (My Solo Drawn to Raindrop Drums) Mejiro Ryan (On and Off the Court) Special Week (Tracen Academy) Biwa Hayahide (Tracen Academy) Manhattan Cafe (Tracen Academy) Mejiro Ryan (Tracen Academy) Smart Falcon (Tracen Academy) Mejiro McQueen (Your Team Ace) Special Week (The Setting Sun and Rising Stars) Shinko Windy (///WARNING GATE///) Shinko Windy (Tracen Academy) Mejiro Ryan (Winning Pitch)
Career Events:
Agnes Digital (Digital Agnes Digital (Tracen Academy) Mejiro Palmer (Go Ahead and Laugh) Mejiro Palmer (Tracen Academy) Tamamo Cross (Beware! Halloween Night!)
Innate Skill:
Biwa Hayahide (pf. Winning Equation...)
Unique Skill:
None
Potential Unlock:
Special Week (Special Dreamer) Smart Falcon (LOVE☆4EVER) Agnes Digital (Full-Color Fangirling)
Character Events:
Mihono Bourbon (MB-19890425) El Condor Pasa (El Numero 1) Mejiro Ryan (Down the Line) El Condor Pasa (Kukulkan Warrior)
Moderately increase performance on good, soft, and heavy ground.
Moxie Icon Moxie Recovery Hint Events:
Ines Fujin (Watch My Star Fly!) Twin Turbo (Turbo Booooost!) Ines Fujin (Tracen Academy) Twin Turbo (Tracen Academy) Mejiro Palmer (Go Ahead and Laugh) Mejiro Palmer (Tracen Academy)
Career Events:
Ines Fujin (Watch My Star Fly!) Mihono Bourbon (The Ghost Finds Halloween Magic)
Innate Skill:
Maruzensky (Hot☆Summer Night)
Unique Skill:
None
Potential Unlock:
None
Character Events:
Sakura Bakushin O (Blossom in Learning)
Slightly reduce fatigue on an uphill.
Conditions: Front Runner
Swinging Maestro Icon Swinging Maestro Recovery Hint Events:
None
Career Events:
Super Creek (Piece of Mind) Rice Shower (Happiness Just around the Bend)
Innate Skill:
None
Unique Skill:
None
Potential Unlock:
Super Creek (Murmuring Stream) Mayano Top Gun (Sunlight Bouquet)
Character Events:
None
 Recover endurance on a corner with efficient turning.
Trigger: Corner
Corner Recovery ◯ Icon Corner Recovery ◯ Recovery Hint Events:
Super Creek (Piece of Mind) Smart Falcon (My Umadol Way! ☆) King Halo (First-Rate Plan) Super Creek (Tracen Academy) Smart Falcon (Tracen Academy) King Halo (Tracen Academy) Kitasan Black (Fire at My Heels) Kitasan Black (Tracen Academy) King Halo (Tonight, We Waltz)
Career Events:
Mihono Bourbon (Pal-Assisted Training)
Innate Skill:
Super Creek (Murmuring Stream) Mayano Top Gun (Sunlight Bouquet) Maruzensky (Hot☆Summer Night)
Unique Skill:
None
Potential Unlock:
Tokai Teio (Beyond the Horizon) Rice Shower (Vampire Makeover!)
Character Events:
Super Creek (Murmuring Stream) Super Creek (Chiffon-Wrapped Mummy)
Slightly recover endurance on a corner with efficient turning.
Trigger: Corner
Restless Icon Restless Recovery Hint Events:
None
Career Events:
Ines Fujin (Watch My Star Fly!)
Innate Skill:
None
Unique Skill:
None
Potential Unlock:
Maruzensky (Hot☆Summer Night)
Character Events:
None
 Reduce fatigue on an uphill.
Conditions: Front Runner
Resplendent Red Ace Icon Resplendent Red Ace Speed Hint Events:
None
Career Events:
None
 Innate Skill:
None
Unique Skill:
Daiwa Scarlet (Peak Blue)
Potential Unlock:
None
Character Events:
None
 Swell with the determination to stay number one in the second half of the race.
Playtime Playtime's Over! Speed Hint Events:
Ines Fujin (Watch My Star Fly!) Ines Fujin (Tracen Academy)
Career Events:
Yaeno Muteki (Fiery Discipline)
Innate Skill:
None
Unique Skill:
None
Potential Unlock:
None
Character Events:
None
 Slightly increase velocity when followed by another runner directly behind for a long time.
Escape Artist Icon Escape Artist Speed Hint Events:
None
Career Events:
Seiun Sky (Foolproof Plan)
Innate Skill:
None
Unique Skill:
None
Potential Unlock:
Seiun Sky (Reeling in the Big One)
Character Events:
None
 Increase ability to go to the front mid-race.
Conditions: Front Runner
Trigger: Mid-Race
Tail Held High Icon Tail Held High Speed Hint Events:
Seiun Sky (Foolproof Plan) Marvelous Sunday (A Marvelous ☆ Plan) Seiun Sky (Tracen Academy) Marvelous Sunday (Tracen Academy) Yaeno Muteki (Fiery Discipline) Yaeno Muteki (Tracen Academy) Seiun Sky (Paint the Sky Red)
Career Events:
Tamamo Cross (Split the Sky, White Lightning!) Tazuna Hayakawa (Tracen Reception) Tazuna Hayakawa (Tracen Academy)
Innate Skill:
None
Unique Skill:
None
Potential Unlock:
Seiun Sky (Reeling in the Big One) Special Week (Hopp
Character Events:
None
 Slightly increase velocity after activating many skills mid-race.
Mile Corners ◯ Icon Mile Corners ◯ Speed Hint Events:
Fuji Kiseki (Well, Look Who Daitaku Helios (Let Maruzensky (Tracen Academy) Fuji Kiseki (Tracen Academy) Daitaku Helios (Tracen Academy)
Career Events:
None
 Innate Skill:
None
Unique Skill:
None
Potential Unlock:
Fuji Kiseki (Shooting Star Revue)
Character Events:
Agnes Digital (Full-Color Fangirling)
Slightly increase velocity on a corner
Conditions: Mile
Trigger: Corner
SPARKLY☆STARDOM Icon SPARKLY☆STARDOM Speed Hint Events:
None
Career Events:
None
 Innate Skill:
None
Unique Skill:
Smart Falcon (LOVE☆4EVER)
Potential Unlock:
None
Character Events:
None
 Become empowered against ceding the spotlight when about to lose the lead on a straight mid-race.
Victoria por Plancha ☆ Icon Victoria por Plancha ☆ Speed Hint Events:
None
Career Events:
None
 Innate Skill:
None
Unique Skill:
El Condor Pasa (El Numero 1)
Potential Unlock:
None
Character Events:
None
 Hang on to the advantage when positioned toward the front with energy to spare on the final straight.
The Duty of Dignity Calls Icon The Duty of Dignity Calls Speed Hint Events:
None
Career Events:
None
 Innate Skill:
None
Unique Skill:
Mejiro McQueen (Frontline Elegance)
Potential Unlock:
None
Character Events:
None
 Increase velocity with the determination to not be overtaken when positioned toward the front on the final corner.
Trigger: Final Corner
Groundwork Icon Groundwork Speed Hint Events:
Gold Ship (Breakaway Battleship) Oguri Cap (Get Lots of Hugs for Me) Air Groove (Nothing Escapes the Vice Prez) Oguri Cap (Tracen Academy) Gold Ship (Tracen Academy) Symboli Rudolf (Tracen Academy) Air Groove (Tracen Academy) Gold Ship (That Time I Became the Strongest)
Career Events:
Smart Falcon (My Umadol Way! ☆)
Innate Skill:
None
Unique Skill:
None
Potential Unlock:
None
Character Events:
None
 Slightly increase acceleration after activating many skills early-race.
Trigger: Early-Race
Unyielding Spirit Icon Unyielding Spirit Speed Hint Events:
Fuji Kiseki (Well, Look Who Fuji Kiseki (Tracen Academy) Seeking the Pearl (The World Seeking the Pearl (Tracen Academy)
Career Events:
Mejiro Dober (Ignore the Stares) Mejiro Dober (Tracen Academy) Mejiro Dober (My Thoughts, My Desires) Shinko Windy (///WARNING GATE///) Shinko Windy (Tracen Academy)
Innate Skill:
Air Groove (Quercus Civilis) Fuji Kiseki (Shooting Star Revue)
Unique Skill:
None
Potential Unlock:
King Halo (King of Emeralds) El Condor Pasa (Kukulkan Warrior)
Character Events:
Daiwa Scarlet (Peak Blue) Fuji Kiseki (Shooting Star Revue) Gold City (Authentic / 1928) Agnes Digital (Full-Color Fangirling)
Slightly increase passing ability.
Conditions: Mile
Trigger: Passing
Front Runner Corners ◯ Icon Front Runner Corners ◯ Speed Hint Events:
Silence Suzuka (Beyond This Shining Moment) Mihono Bourbon (Pal-Assisted Training) Mihono Bourbon (Tracen Academy) Silence Suzuka (Winning Dream) Mihono Bourbon (The Ghost Finds Halloween Magic)
Career Events:
None
 Innate Skill:
None
Unique Skill:
None
Potential Unlock:
Mihono Bourbon (MB-19890425)
Character Events:
None
 Slightly increase velocity on a corner.
Conditions: Front Runner
Trigger: Corner
Front Runner Straightaways ◯ Icon Front Runner Straightaways ◯ Speed Hint Events:
Silence Suzuka (Beyond This Shining Moment) Mihono Bourbon (Pal-Assisted Training) Mihono Bourbon (Tracen Academy) Kitasan Black (Fire at My Heels) Kitasan Black (Tracen Academy) Silence Suzuka (Winning Dream) Mihono Bourbon (The Ghost Finds Halloween Magic)
Career Events:
Mihono Bourbon (Pal-Assisted Training) Mejiro Palmer (Go Ahead and Laugh)
Innate Skill:
None
Unique Skill:
None
Potential Unlock:
Mihono Bourbon (MB-19890425)
Character Events:
Seiun Sky (Reeling in the Big One)
Slightly increase velocity on a straight.
Conditions: Front Runner
Trigger: Straight
In Body and Mind Icon In Body and Mind Speed Hint Events:
None
Career Events:
Special Week (The Brightest Star in Japan) Winning Ticket (Dreams Do Come True!)
Innate Skill:
None
Unique Skill:
None
Potential Unlock:
Special Week (Special Dreamer) Narita Brian (Maverick) Eishin Flash (Meisterschaft)
Character Events:
None
 Increase velocity in the last spurt.
Trigger: Last Spurt
Homestretch Haste Icon Homestretch Haste Speed Hint Events:
Special Week (The Brightest Star in Japan) Vodka (Wild Rider) Grass Wonder (Fairest Fleur) Super Creek (Piece of Mind) Oguri Cap (Get Lots of Hugs for Me) Special Week (Tracen Academy) Oguri Cap (Tracen Academy) Vodka (Tracen Academy) Grass Wonder (Tracen Academy) Super Creek (Tracen Academy) Special Week (The Setting Sun and Rising Stars) Yaeno Muteki (Fiery Discipline) Yaeno Muteki (Tracen Academy)
Career Events:
Special Week (The Brightest Star in Japan) Eishin Flash (5:00 a.m.-Right on Schedule) King Halo (First-Rate Plan) King Halo (Tracen Academy) Bamboo Memory (Head-On Fight!) King Halo (Tonight, We Waltz)
Innate Skill:
Special Week (Special Dreamer) El Condor Pasa (Kukulkan Warrior)
Unique Skill:
None
Potential Unlock:
Grass Wonder (Stone-Piercing Blue) Narita Brian (Maverick) Eishin Flash (Meisterschaft)
Character Events:
Special Week (Special Dreamer) Air Groove (Empress Road) Nice Nature (Poinsettia Ribbon) Air Groove (Quercus Civilis) Hishi Amazon (Azure Amazon) Special Week (Hopp Agnes Digital (Full-Color Fangirling)
Slightly increase velocity in the last spurt.
Trigger: Last Spurt
Mile Straightaway ◯ Icon Mile Straightaway ◯ Speed Hint Events:
Vodka (Wild Rider) Agnes Digital (Digital Vodka (Tracen Academy) Agnes Digital (Tracen Academy) Bamboo Memory (Head-On Fight!) Bamboo Memory (Tracen Academy)
Career Events:
None
 Innate Skill:
None
Unique Skill:
None
Potential Unlock:
Taiki Shuttle (Wild Frontier) Vodka (Wild Top Gear)
Character Events:
None
 Slightly increase velocity on a straight.
Conditions: Mile
Trigger: Straight
Unrestrained Icon Unrestrained Speed Hint Events:
None
Career Events:
Silence Suzuka (Beyond This Shining Moment)
Innate Skill:
None
Unique Skill:
None
Potential Unlock:
Silence Suzuka (Innocent Silence)
Character Events:
None
 Increase abilty to keep the lead on the final corner.
Conditions: Front Runner
Trigger: Final Corner
Fast-Paced Icon Fast-Paced Speed Hint Events:
Silence Suzuka (Beyond This Shining Moment) Twin Turbo (Turbo Booooost!) Silence Suzuka (Tracen Academy) Twin Turbo (Tracen Academy) Mejiro Palmer (Go Ahead and Laugh) Mejiro Palmer (Tracen Academy) Silence Suzuka (Winning Dream)
Career Events:
Seiun Sky (Foolproof Plan) Ines Fujin (Watch My Star Fly!) Ines Fujin (Tracen Academy)
Innate Skill:
Seiun Sky (Reeling in the Big One)
Unique Skill:
None
Potential Unlock:
Silence Suzuka (Innocent Silence)
Character Events:
Seiun Sky (Reeling in the Big One) Maruzensky (Hot☆Summer Night)
Slightly increase ability to go to the front mid-race.
Conditions: Front Runner
Trigger: Mid-Race
Final Push Icon Final Push Speed Hint Events:
Silence Suzuka (Beyond This Shining Moment) Silence Suzuka (Tracen Academy) Hishi Akebono (Who Wants the First Bite?) Hishi Akebono (Tracen Academy) Silence Suzuka (Winning Dream)
Career Events:
Smart Falcon (My Umadol Way! ☆) Smart Falcon (Tracen Academy)
Innate Skill:
Silence Suzuka (Innocent Silence)
Unique Skill:
None
Potential Unlock:
None
Character Events:
Mihono Bourbon (MB-19890425) Mayano Top Gun (Scramble Zone) Mayano Top Gun (Sunlight Bouquet)
Slightly increase ability to keep the lead on the final corner.
Conditions: Front Runner
Trigger: Final Corner
The View from the Lead is Mine! Icon The View from the Lead is Mine! Speed Hint Events:
None
Career Events:
None
 Innate Skill:
None
Unique Skill:
Silence Suzuka (Innocent Silence)
Potential Unlock:
None
Character Events:
None
 Increase velocity by drawing on all remaining strength when in the lead by a fair margin on the final straight.
Trigger: Final Straight
Professor of Curvature Icon Professor of Curvature Speed Hint Events:
None
Career Events:
Kitasan Black (Fire at My Heels)
Innate Skill:
None
Unique Skill:
None
Potential Unlock:
Symboli Rudolf (Emperor Super Creek (Chiffon-Wrapped Mummy)
Character Events:
None
 Increase velocity on a corner with skilled turning.
Trigger: Corner
Corner Adept ◯ Icon Corner Adept ◯ Speed Hint Events:
Oguri Cap (Get Lots of Hugs for Me) Mayano Top Gun (Cute + Cute = ?) Oguri Cap (Tracen Academy) Mayano Top Gun (Tracen Academy) Mejiro McQueen (Your Team Ace) Kitasan Black (Fire at My Heels) Kitasan Black (Tracen Academy)
Career Events:
Fine Motion (Wave of Gratitude) Fine Motion (Tracen Academy) Fine Motion (Grma, Ramen ♪)
Innate Skill:
Symboli Rudolf (Emperor Super Creek (Chiffon-Wrapped Mummy)
Unique Skill:
None
Potential Unlock:
Mayano Top Gun (Sunlight Bouquet)
Character Events:
Special Week (Special Dreamer) Agnes Tachyon (Tach-nology) Special Week (Hopp
Slightly increase velocity on a corner with skilled turning.
Trigger: Corner

Cancer Cup Seiun Sky Build Sparks

Cancer Cup Seiun Sky (Reeling in the Big One) Sparks

Recommended
Uniques
(Green)
El Condor Pasa (El Numero 1) Victoria por Plancha ☆ Victoria por Plancha ☆
Smart Falcon (LOVE☆4EVER) SPARKLY☆STARDOM SPARKLY☆STARDOM
Daiwa Scarlet (Peak Blue) Resplendent Red Ace Resplendent Red Ace
Mejiro McQueen (Frontline Elegance) The Duty of Dignity Calls The Duty of Dignity Calls
Skills
(White)
Groundwork Icon Groundwork
Blue Star SparkStats
 9★ Stamina
9★ Power
Or 18★ Stamina
Pink SparkAptitude
 3★ Mile
3★ Turf

For Seiun Sky's spark legacies, we recommend final corner unique skills like El Condor Pasa's Victoria por Plancha ☆. You may also pick up skills like Smart Falcon's SPARKLY☆STARDOM for a speed increase in the mid-race (especially at the course's first uphill).

Maximize your Stamina Sparks as much as you can to ensure you can build enough Stamina for your Seiun Sky. For aptitude, we recommend you prioritize 3★ Mile then 3★ Turf to get more speed and power. You can also go with 3★ Front Runner if there is still space, otherwise, prioritize those 2 pink sparks.

Legacy and Sparks Guide

Cancer Cup Champions Meeting Info

Cancer Cup Date

Global Release Timer
Champions Meeting: Cancer Cup
Event has ended.
Race Conditions:
Tokyo Turf 1,600m (Mile), Left
Summer Summer, Spring Sunny, Good Ground
Similar Races: Yasuda Kinen, NHK Mile Cup

The Champions Meeting: Cancer Cup event will be held on October 7, 2025 to October 16, 2025. Prepare the best Umamusume for your Mile Team by then!

Cancer Cup Champions Meeting Guide

Umamusume: Pretty Derby Related Guides

Champions Meeting Partial Banner

Champions Meeting Guide

Libra Cup Guides

Guides
Libra Cup Guide

Virgo Cup Guides

Guides
Virgo Cup Guide

Leo Cup Guides

Guides
Leo Cup Guide
Builds
Summer Maruzensky Front Runner Build Leo Cup General Debuffer Build Guide

Cancer Cup Guides

Guides
Cancer Cup Guide
Builds
Seiun Sky Front Runner Build El Condor Pasa Pace Chaser Build
Smart Falcon Front Runner Build -

Gemini Cup Guides

Guides
Gemini Cup Guide Gemini Cup Release Date
Builds
Gold Ship End Closer Build Narita Taishin End Closer Build

Taurus Cup Guides

Guides
Taurus Cup Guide Registration Schedule
Taurus Cup Stamina and Stat Guidelines –
Builds
Oguri Cap Pace Chaser Build Nice Nature Debuffer Build
Gold Ship End Closer Build Maruzensky Front Runner Build

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