About
On Steam, 54% of 92 player reviews are positive (Mixed). It is Verified on Steam Deck.
It's been years since Yuu last visited the countryside, and this summer, he'll finally be reunited with the sisters Hana, Rina, and Hina! Unfortunately, his mom has to hurry home, so he'll be staying with the three of them for a while. Find out what fun awaits him in Japanese countryside!
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Media
Releases
Platform
Date
June 20, 2026
Earliest full release on each platform; regional dates can differ.
PC and Steam Deck
Steam store pageSteam Deck: Verified works great out of the box
Minimum
Recommended
OS *
Windows® 8/8.1/10/11
Windows 11/10/8
Processor
Intel Core2 Duo or better
2+ GHz Processor
Memory
4 GB RAM
4 GB RAM
Graphics
DirectX 9/OpenGL 4.1 capable GPU
OpenGL ES 2.0 hardware driver support required for WebGL acceleration. (AMD Catalyst 10.9, nVidia 358.50)
DirectX
Version 9.0
Version 9.0
Storage
1 GB available space
4 GB available space
Additional Notes
1280x768 or better Display. Lag may occur from loading menus or maps. Turn off other programs before running the game.
1280x768 or better Display. Lag may occur from loading menus or maps. Turn off other programs before running the game.
Requirements and Deck status as listed on Steam, checked Oct 28, 2026.
Summer Sisters player count
concurrent players on Steam1peak today
530-day peak
5highest we have seenOct 25, 2026
Oct 23daily peak, last 13 daystoday
Players counted on Steam every one to six hours; the daily peak is the highest count of the day.