Summer Night Mementos is a Yoimiya Web Event in Genshin Impact. Learn how to unlock Summer Night Mementos, how to play the web event, all event rewards, and other information in this guide!

Summer Night Mementos Event Information

Web Event Details

Event Start	August 5, 2021
Event End	August 11, 2021
Unlock	Reach Adventure Rank 10+
Rewards

Yoimiya's Web Event

Summer Night Memento features the Inazuma character, Yoimiya. Help her create an atmosphere of fun by taking pictures of the moments in the Summer Festival!
Yoimiya Character Guide

How to Play Summer Night Mementos

Web Event Guide

Summer Night Mementos Event Link

You can play the Summer Night Mementos Web Event by clicking on the event link! You'll see a QR Code there, which you can also use to play the web event on your phone.
Go to Web Event Page

How to play on the PS4 and PS5

Check your in-game mail for a web event invitation and click the link inside the message. You can start playing the web event after that!

Select a Festival Location

Start by selecting the first Festival Location, the Street Food Stall, which is the only one unlocked. There are a total of three Festival Locations you can visit!

Take a Picture with your Kamera

Click on the Kamera Button to take a picture of the Festival Location. The event will let you collect a total of three photos, one of each area!

Share the Photos for Rewards

Share the photo you took to receive event rewards! After doing this, close the Kamera screen and move on to the next Festival Location, which should now be unlocked.
Jump to Event Rewards

Complete Tasks for more Kamera Film

You'll run out of Kamera Film at some point, but you can do event tasks to get some more! The tasks are pretty easy to complete, so you can finish the web event in a few minutes.

Summer Night Mementos Album

All Photos From the Web Event

Click to jump to a photo section!
Food Stall	Prayer Rack	Torii Gate

Street Food Stall Photo

''I always think that the snacks at the Fireworks Show taste better than the usual ones. But I don't know what Yoimiya's favorite snack is...''

Prayer Rack Photo

''The compliments and wishes of the visitors are written on the Prayer Rack: 'Every Fireworks Show brings new surprises. Yoimiya never fails to amaze us!'''

Torii Gate Photo

''The dazzling fireworks are reflected in the girl's eyes, a brief moment that will remain as a beautiful memory.''

Summer Night Mementos Rewards

List of All Event Rewards

Total Web Event Rewards
Primogem x40	Mora x20000	Agnidus Agate Fragment x3

How to Get Event Rewards

You get the Summer Night Mementos rewards by sharing the photos you've taken for the first time! You can receive a total of 3 sets of rewards with each photo shared.

Photo	Rewards
Photo 1: Food Stall	Primogem x10 Agnidus Agate Fragment x1 Mora x5000
Photo 2: Prayer Rack	Primogem x10 Agnidus Agate Fragment x1 Mora x5000
Photo 3: Torii Gate	Primogem x20 Agnidus Agate Fragment x1 Mora x20000

Genshin Impact Related Guides

List of Events

Current Events

Event Guide	Date and Rewards
Overflowing Abundance	02/03/2025 - 02/10/2025 Weapon and Talent Up Materials
Old Memories, New Beginnings	02/01/2025 - 02/11/2025 + Talent Up Materials
Rattan Immortals	01/26/2025 - 02/09/2025
Springtime Charms	01/24/2025 - 02/09/2025 + Weapon and Talent Up Materials + New Xiangling Outfit
Fortune's Coming Daily Login	01/22/2025 - 02/11/2025

Upcoming Events

Event Guide	Date and Rewards
Enchanted Tales of the Mikawa Festival	Sometime in Version 5.4 + Weapon and Talent Up Materials + Free 4-Star Polearm
Travelers' Tales: Anthology Chapter	Sometime in Version 5.4
Invasive Fish Wrangler	Sometime in Version 5.4 + Weapon Up Materials
Realm of Tempered Valor	Sometime in Version 5.4 + Talent Up Materials
Reel Ad-Venture	Sometime in Version 5.4 + Talent Up Materials
Ley Line Overflow 5.4 Rerun	Sometime in Version 5.4

Permanent/Recurring Events

Event Name	Event Period / Rewards
Daily Check-In	2021/03/01 - Permanently Available
Hangout Events	Permanently Available after Version 1.4 + Talent Materials + Specialty Dishes
Test Run Event	Permanently Available + Ascension Materials
Baptism of Song	Permanently Available + Free Barbara
Stellar Reunion Returnee Event	Permanently Available + Prototype Rancour

Past Events

List of Past Events