我的傲娇妹妹 MY TSUNDERE SISTER

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.

At a glance

• Platform: Windows.
• Genres: Adventure, Casual, RPG.
• Release date: Aug 11, 2026.
• Steam user reviews: Mostly Positive (77% positive).
• Delivered as a Steam library entitlement — activation is handled by Steam.

Minimum

Recommended

System requirements as published by the developer on Steam.

Activate on Steam

• Open the offer above — it takes you to this game's official Steam store page.
• Buy it there, or if you bought a key elsewhere, open Steam and choose Games → Activate a Product on Steam.
• Enter the product code exactly as it was issued to you.
• The game appears in your Steam library — download and play.

CDKeyCheap does not sell keys. We track and display prices; every purchase happens on the store you click through to.