About
On Steam, 63% of 380 player reviews are positive (Mixed). 1 person is playing it on Steam right now, with a peak of 8 in the last 30 days. It is Playable on Steam Deck.
The sequel to "My Cold Girlfriend" is here! Live under the same roof with your tsundere cousin sister sporting red twin tails, experience her daily quiet care beneath her sharp tongue, and unlock exclusive sweet and heartwarming summer moments.
Games like My Tsundere Sister
same kind of game, other series
Media
Releases
Platform
Date
August 12, 2026
Earliest full release on each platform; regional dates can differ.
PC and Steam Deck
Steam store pageSteam Deck: Playable runs, but may need some tweaks
Minimum
Recommended
OS
Windows 10 21H1 or Later Ver.
Windows 10 21H1 or Later Ver.
Processor
2.0 GHz Core 2 Duo
2.0 GHz Core 2 Duo
Memory
2 GB RAM
4 GB RAM
Storage
1 GB available space
1 GB available space
Requirements and Deck status as listed on Steam, checked Nov 5, 2026.
My Tsundere Sister player count
concurrent players on Steam1playing now3h ago
1peak today
830-day peak
8highest we have seenNov 4, 2026
Oct 23daily peak, last 15 daystoday
Players counted on Steam every one to six hours; the daily peak is the highest count of the day.
My Tsundere Sister achievements
9 achievements on SteamRarest
才不要离开你
24.7%
允许你喜欢我
26%
成年了才可以喝酒
28.1%
谢谢哥哥
32.4%
加油哥哥
33.2%
老师你好
39.7%
All 9 achievements by how many players unlocked them
哥哥的责任
43.7%
和妹妹的夏天 和妹妹开始同居
77%
盛夏序章 开始游戏
92.2%
Share of Steam players who unlocked each achievement.