This is a build guide for Maruzensky (Hot☆Summer Night), also known as Summer Maruzensky, in Umamusume: Pretty Derby. Find out how to build Summer Maruzensky, her preferred tracks, distances, and style, as well as her basic character information, here!
| Maruzensky Related Guides | |
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List of Contents
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Increase velocity enthusiastically when positioned toward the front in the second half of the race after recovering endurance with a skill. |
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| All Innate Skills |
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| Skill Per Potential Level |
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| Potential 2: Potential 3: Potential 4: Potential 5: |
| All Career Event Skills |
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Maruzensky (Hot☆Summer Night) is a strong Front Runner, and will remain strong and relevant even after other Front Runners are introduced to the game in the future. She is beaten only by Valentine's Mihono Bourbon, who is estimated to arrive on February 2026.
Her Unique Skill is different from her original counterpart's as it provides velocity instead of acceleration. However, this makes it synergize well with other acceleration Skills, such as the Unique Skill Angling and Scheming.
As such, Maruzensky (Hot☆Summer Night) is a must pull, and can serve as a great Veteran to make your Front Runners stronger alongside Seiun Sky.
| Training Tips |
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When training Maruzensky, use the brand new Unity Cup scenario to take advantage of the new Spirit Burst mechanic. This not only lets you gain more stats than normal, but can also provide useful Skill Hints.
Similar to her original counterpart, Maruzensky (Hot☆Summer Night) should only be run as a Front Runner, as trying to raise her aptitude for other running styles will take up too many sparks.
Maruzensky is a great pick for Mile Team Trial races, so improving her Mile aptitude can help her get stronger in said races.
Although Maruzensky has to race in the Arima Kinen in her career, it is not required to improve her Long aptitude as she only needs to participate in the race.
Since Maruzensky runs both Mile and Medium races during her career, investing in Front Runner Skills may be better, as this allows her to use them regardless of the race length.
This doesn't mean, however, that you shouldn't get race-length-specific skills. They are still good to get, especially when preparing for a Champions Meeting.
Maruzensky (Hot☆Summer Night) has access to numerous velocity skills (including her Unique Skill), but no easy access to acceleration skills. As you need a balance of both, make sure to get acceleration skills, be it from your Support Cards or from inherited Unique Skills such as Seiun Sky's Angling and Scheming.
One of the activation requirements for Maruzensky (Hot☆Summer Night)'s Unique Skill is that she has activated a Recovery skill. As such, learning a Recovery skill is required to make sure that she can use her Unique Skill. To increase your chances of activating a Recovery skill, make sure to train Maruzensky (Hot☆Summer Night)'s Wit, which should be doable thanks to her 15% bonus Wit growth.
Examples of good Recovery skills include Swinging Maestro, Triple 7s, and Restless (as well as its base form Moxie), with the last three skills being easily available to Maruzensky (Hot☆Summer Night) as Innate and Potential Skills.
Improving Maruzensky's Potential gives you access to some useful skills, such as Triple 7s and Mile Maven. As such, try to improve her Potential if you have the Monies and materials.
Racing and winning in the Radio Nikkei Sho during Classic Year Early July will trigger a secret event that improves Maruzensky's mood, give her additional stats and Skill points (base 60 Skill points from a G3 race), and provides the Hot Topic status effect.
Although this will take away one of your Summer training sessions, the rewards that you get are worth it.
| 1200 | 600 | 800 | 400 | 600 |
Since Maruzensky will be part of your Mile Team in Team Trials as a Front Runner, we recommend getting the stats above so she has enough Speed and Power to beat the competition. Investing in Gold Recovery skills is not required, although you do need at least one recovery skill to help activate her Unique Skill.
If you are only planning to clear a career run with Maruzensky, then you can aim for lower stat numbers, as the stats above are for Team Trials.
Training Guide: Which Stats to Train?
We recommend a 3 Speed, 3 Wit deck for Maruzensky, which should help her get the Speed and Power she needs for her races, while also maximizing training time via Wit training. Your Stamina when running this deck will mostly come from Stamina sparks. If you are having a hard time getting the needed Stamina, you can opt to replace one of your Speed cards with Riko Kashimoto (Planned Perfection). Make sure to keep the strong Speed cards like Kitasan Black or Sweep Tosho.
Alternatively, you can run a 3 Speed, 2 Power, 1 Pal deck instead, which will help you get the Speed, Power, and Stamina that you need for your Mile races.
This deck is for players who are starting out and are still trying to get a feel of the game's mechanics and intricacies. This deck can help you get the needed stats to clear the career, while also providing important skills.
Take advantage of the game's borrowing feature to borrow a powerful MLB SSR, like Kitasan Black. Additionally, if you do not have an MLB copy of Riko Kashimoto (Tracen Academy), it would be better to use another SR Power card instead.
| Recommended Alternative Support Cards | |
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| Speed | |
| Power | |
| Wit |
These cards will help Maruzensky level her needed Stats (especially with Rainbow/Friendship Training), as well as provide some needed skills.
These stats are enough to clear the URA Finale easily, as they provide enough Speed, Stamina, and Power for all of Maruzensky's career races, especially when partnered with the correct skills.
As for the deck, run a 3 Speed, 2 Power, 1 Wit deck to help Maruzensky get the stats that she needs. Wit is especially important, as her Unique Skill relies on a recovery skill activating.
| Recommended | |
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| 12★ Stamina 6★ Power |
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| 3★ Front Runner 3★ Mile 1★ Medium |
For Legacy Sparks, we recommend trying to find Stamina and Power sparks to help with Maruzensky's races. As for running style and race length aptitudes, get Front Runner to improve her running style, as well as Mile sparks to help her in Team Trials. It's also possible to get Medium sparks to help her in her Medium career races.
You can use either your own Veterans, or borrow the ones from your friends. If you do not have Veterans with full sparks, you can go with whatever you have access to.
As a Front Runner, Maruzensky will need skills that will help her get to the front and keep her lead. Groundwork is a great skill for securing an early lead. However, you need to make sure that you can activate at least three skills early for Groundwork to activate. Green Skills can help activate Groundwork, as well as Taking the Lead and Focus. Mile Maven is another good early-race skill to have to provide an early velocity boost.
While running, corner velocity skills such as Professor of Curvature, as well as Mile and Front Runner Corners will help her keep her position, with Fast-Paced, and Playtime's Over! doing a similar job.
Triple 7s is the recommended general recovery skill for Maruzensky as this allows her to activate her Unique Skill in the mid-race, where it will have the most impact. This is especially good for 1800m long races, as her Unique Skill will last until the start of the late race, potentially comboing with other late-race skills like Angling and Scheming and Red Shift/LP1211-M for a decisive victory.
If you cannot get the recommended skills, you can replace them with similar skills that you have access to. You will just need to make sure that Maruzensky can activate said skills in a race.
| Choice | Outcome |
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| Choice 1 |
・ 10 Speed ・ 10 Power |
| Choice 2 | ・ 15 Energy |
| Choice | Outcome |
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| Choice 1 |
・ Charming ◯ (Random) ・ Fast-Paced +2 Skill Hint |
| Choice 2 |
・ 20 Stamina ・ Charming ◯ (Random) |
| Choice | Outcome |
|---|---|
| Choice 1 | ・ 20 Guts |
| Choice 2 | ・ 20 Wit |
| Choice | Outcome |
|---|---|
| Choice 1 |
・ 5 Stamina ・ 5 Guts |
| Choice 2 |
・ 5 Speed ・ 5 Power |
| Choice | Outcome |
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Choice 1
(Let's get this show on the road!) |
・ 10 Guts |
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Choice 2
(We should be respectful of their story.) |
・ 10 Wit |
| Choice | Outcome |
|---|---|
| Choice 1 | ・ 10 Power |
| Choice 2 | ・ 10 Guts |
| Choice 3 | ・ 10 Wit |
| Choice | Outcome |
|---|---|
| Choice 1 |
・ 5 Speed ・ 5 Wit |
| Choice 2 |
・ 5 Stamina ・ 5 Power |
| Choice | Outcome |
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Choice 1
(I'll work hard to be as dependable as I can be.) |
・ 10 Speed |
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Choice 2
(You already support me so much.) |
・ 10 Power |
| Choice | Outcome |
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Choice 1
(You're the right person for the job, Maruzensky.) |
・ 1 Mood ・ 5 Speed ・ 10 Skill Pts |
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Choice 2
(Adults have a duty to lead the way.) |
・ Huge Lead +1 Skill Hint |
| Choice | Outcome |
|---|---|
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Choice 1
(I've never heard of it.) |
・ 10 Speed |
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Choice 2
(That really takes me back.) |
・ 10 Wit |
| Choice | Outcome |
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Choice 1
(Technical skills!) |
・ 10 Speed ・ 15 Skill Pts |
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Choice 2
(Expressiveness!) |
・ 20 Power |
| Choice | Outcome |
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Choice 1
(Let's push it to the limit!) |
・ 10 Speed |
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Choice 2
(Let's take a break...) |
・ 10 Wit |
| Choice | Outcome |
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Choice 1
(A filling soup that can be made in a jiffy!) |
・ 20 Speed |
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Choice 2
(A slow-cooked stew.) |
・ 10 Energy ・ 10 Guts |
| Choice | Outcome |
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Choice 1
(We could take a leisurely stroll back to the academy.) |
・ 10 Energy |
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Choice 2
(I think it's okay to have a little fun sometimes.) |
・ -5 Energy ・ 10 Power ・ 5 Guts |
| Choice | Outcome |
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Choice 1
(Aren't you watching your calories?) |
・ 10 Energy ・ 5 Skill Pts |
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Choice 2
(Success)
(Let's go all out!) |
・ 30 Energy ・ 10 Skill Pts |
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Choice 2
(Fail)
(Let's go all out!) |
・ 30 Energy ・ -5 Speed ・ 5 Power ・ 10 Skill Pts ・ Slow Metabolism |
| Choice | Outcome |
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Choice 1
(Plan A, the physical game!) |
・ 10 Stamina ・ Deep Breaths +1 Skill Hint |
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Choice 2
(Plan B, the thinking game!) |
・ 20 Wit |
| Choice | Outcome |
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Choice 1
(You should go see your junior classmates.) |
・ 10 Power |
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Choice 2
(Let's see if we can fix your car somehow.) |
・ 10 Guts |
| Choice | Outcome |
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Choice 1
(I want to boost that lightning speed of yours!) |
・ 10 Speed |
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Choice 2
(I want to focus on physical conditioning!) |
・ 20 Energy |
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Choice 3
(I want to help you get better at other running styles!) |
・ 20 Skill Pts |
| Choice | Outcome |
|---|---|
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Choice 1
(We should work on fundamentals, like physical conditioning.) |
・ 30 Energy |
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Choice 2
(We should set a well-balanced training regimen.) |
・ 5 All Stats |
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Choice 3
(We should focus on making your best skills even better.) |
・ 35 Skill Pts |
| Choice | Outcome |
|---|---|
| Choice 1 |
・ 10 Energy ・ -2 Mood ・ Last trained stat and two other random stat -10 ・ Practice Poor (random) |
| Choice 2 (Success) | ・ Practice Perfect ◯ |
| Choice 2 (Fail) |
・ -3 Mood ・ 3 Random stat -10 ・ Practice Poor |
| Choice | Outcome |
|---|---|
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Choice 1
(Okay, let's do it.) |
・ -5 Energy ・ Last trained stat +5 ・ 5 Friendship with Director |
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Choice 2
(We should call it a day.) |
・ 5 Energy |
| Choice | Outcome |
|---|---|
| Choice 1 |
・ -1 Mood ・ Last trained stat -5 ・ Practice Poor (random) |
| Choice 2 (Success) | ・ Practice Perfect ◯ |
| Choice 2 (Fail) |
・ -1 Mood ・ Last trained stat -10 ・ Practice Poor (random) |
| Choice | Outcome |
|---|---|
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Choice 1
(I'm sure you'll do great next time!) |
・ -25 Energy ・ 25 Skill Pts ・ Random Stat +4 |
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Choice 2
(Success)
(There's no point in being bummed out!) |
・ -15 Energy ・ 25 Skill Pts ・ Random Stat +4 |
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Choice 2
(Fail)
(There's no point in being bummed out!) |
・ -35 Energy ・ 25 Skill Pts ・ Random Stat +4 |
| Choice | Outcome |
|---|---|
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Choice 1
(I'm sure you'll do great next time!) |
・ -25 Energy ・ 20 Skill Pts ・ Random Stat +3 |
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Choice 2
(Success)
(There's no point in being bummed out!) |
・ -15 Energy ・ 20 Skill Pts ・ Random Stat +3 |
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Choice 2
(Fail)
(There's no point in being bummed out!) |
・ -35 Energy ・ 20 Skill Pts ・ Random Stat +3 |
| Choice | Outcome |
|---|---|
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Choice 1
(I'm sure you'll do great next time!) |
・ -25 Energy ・ 20 Skill Pts ・ Random Stat +3 |
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Choice 2
(Success)
(There's no point in being bummed out!) |
・ -15 Energy ・ 20 Skill Pts ・ Random Stat +3 |
|
Choice 2
(Fail)
(There's no point in being bummed out!) |
・ -35 Energy ・ 20 Skill Pts ・ Random Stat +3 |
| Choice | Outcome |
|---|---|
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Choice 1
(I'm sure you'll do great next time!) |
・ -25 Energy ・ 10 Skill Pts |
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Choice 2
(Success)
(There's no point in being bummed out!) |
・ -15 Energy ・ 10 Skill Pts |
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Choice 2
(Fail)
(There's no point in being bummed out!) |
・ -35 Energy ・ 10 Skill Pts |
| Choice | Outcome |
|---|---|
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Choice 1
(It wasn't a bad performance at all.) |
・ -20 Energy ・ 45 Skill Pts ・ Random Stat +8 |
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Choice 2
(Success)
(Let's get back on track!) |
・ -10 Energy ・ 45 Skill Pts ・ Random Stat +8 |
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Choice 2
(Fail)
(Let's get back on track!) |
・ -30 Energy ・ 45 Skill Pts ・ Random Stat +8 |
| Choice | Outcome |
|---|---|
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Choice 1
(It wasn't a bad performance at all.) |
・ -20 Energy ・ 35 Skill Pts ・ Random Stat +5 |
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Choice 2
(Success)
(Let's get back on track!) |
・ -10 Energy ・ 35 Skill Pts ・ Random Stat +5 |
|
Choice 2
(Fail)
(Let's get back on track!) |
・ -30 Energy ・ 35 Skill Pts ・ Random Stat +5 |
| Choice | Outcome |
|---|---|
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Choice 1
(It wasn't a bad performance at all.) |
・ -20 Energy ・ 35 Skill Pts ・ Random Stat +5 |
|
Choice 2
(Success)
(Let's get back on track!) |
・ -10 Energy ・ 35 Skill Pts ・ Random Stat +5 |
|
Choice 2
(Fail)
(Let's get back on track!) |
・ -30 Energy ・ 35 Skill Pts ・ Random Stat +5 |
| Choice | Outcome |
|---|---|
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Choice 1
(It wasn't a bad performance at all.) |
・ -20 Energy ・ 30 Skill Pts ・ Random Stat +3 |
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Choice 2
(Success)
(Let's get back on track!) |
・ -10 Energy ・ 30 Skill Pts ・ Random Stat +3 |
|
Choice 2
(Fail)
(Let's get back on track!) |
・ -30 Energy ・ 30 Skill Pts ・ Random Stat +3 |
| Choice | Outcome |
|---|---|
|
Choice 1
(You were incredible!) |
・ -15 Energy ・ 45 Skill Pts ・ Random Stat +10 |
|
Choice 2
(Success)
(I know you can do even better!) |
・ -5 Energy ・ 45 Skill Pts ・ Random Stat +10 |
|
Choice 2
(Fail)
(I know you can do even better!) |
・ -20 Energy ・ 45 Skill Pts ・ Random Stat +10 |
| Choice | Outcome |
|---|---|
|
Choice 1
(You were incredible!) |
・ -15 Energy ・ 35 Skill Pts ・ Random Stat +8 |
|
Choice 2
(Success)
(I know you can do even better!) |
・ -5 Energy ・ 35 Skill Pts ・ Random Stat +8 |
|
Choice 2
(Fail)
(I know you can do even better!) |
・ -20 Energy ・ 35 Skill Pts ・ Random Stat +8 |
| Choice | Outcome |
|---|---|
|
Choice 1
(You were incredible!) |
・ -15 Energy ・ 35 Skill Pts ・ Random Stat +8 |
|
Choice 2
(Success)
(I know you can do even better!) |
・ -5 Energy ・ 35 Skill Pts ・ Random Stat +8 |
|
Choice 2
(Fail)
(I know you can do even better!) |
・ -20 Energy ・ 35 Skill Pts ・ Random Stat +8 |
| Choice | Outcome |
|---|---|
|
Choice 1
(You were incredible!) |
・ -15 Energy ・ 30 Skill Pts ・ Random Stat +5 |
|
Choice 2
(Success)
(I know you can do even better!) |
・ -5 Energy ・ 30 Skill Pts ・ Random Stat +5 |
|
Choice 2
(Fail)
(I know you can do even better!) |
・ -20 Energy ・ 30 Skill Pts ・ Random Stat +5 |
| Condition | Win Radio Nikkei Sho |
|---|---|
| Event Time | Classic Year Early July |
| Event Rewards |
・ Energy -15 ・ Mood +1 ・ All Stat +3 ・ Skill Pts +60 ・ Hot topic |
| Race(s) to Win | |
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Radio Nikkei Sho
| 1800m (Mile)
Early July, Classic Year |
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When training Maruzensky, make sure to race in the Radio Nikkei Sho on Classic Year Early July. Winning the race will improve your mood, give you additional stats, provide many Skill points (base value of 60 skill points), as well as the Hot Topic status effect.
| Goal | Race/Goal |
|---|---|
| Run in Junior Make Debut | Junior Make Debut |
| Place top 5 in Asahi Hai F.S, |
Asahi Hai Futurity Stakes
(Mile - 1600m) Junior Year Early Dec |
| Place top 3 in Spring S. |
Spring Stakes
(Mile - 1800m) Classic Year Late Mar |
| Place top 5 in Satsuki Sho |
Satsuki Sho
(Medium - 2000m) Classic Year Early Apr |
| Place top 5 in Japenese Derby |
Japanese Derby (Tokyo Yushun)
(Medium - 2400m) Classic Year Late May |
| Run in Arima Kinen |
Arima Kinen
(Long - 2500m) Classic Year Late Dec |
| Place 1st in Osaka Hai |
Osaka Hai
(Medium - 2000m) Senior Year Late Mar |
| Place 1st in Yasuda Kinen |
Yasuda Kinen
(Mile - 1600m) Senior Year Early Jun |
| Place 1st in Tenno Sho (Autumn) |
Tenno Sho (Autumn)
(Medium - 2000m) Senior Year Late Oct |
Maruzensky"The track's like a dance floor, and I'm feelin' groovy today!" | Voice Actress | Lynn |
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| Height | 164cm / 5'4" | |
| Weight | Totally tubular! | |
| Birthday | May 19 | |
| Three Sizes | B 92 | W 58 | H 88 | |
| A dashing Umamusume with a sisterly demeanor and a retro way of speaking. She is a speed demon who adores the pure joy of the wind in her face. On the road, her hot rod is the one burning rubber, but in a race, it's her own two feet tearing up the track. Despite her tremendous power, she isn't pompous, and is well-liked by everyone. | ||
| Uniform | Racewear | Alternate 1 |
|---|---|---|
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Formula R |
Hot☆Summer Night |

| Height and Weight | Voice Actors | Three Sizes | List of Birthdays |
| 3-Star Characters | 2-Star Characters | 1-Star Characters |
Maruzensky (Hot☆Summer Night) Build Guide and Character Info



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