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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.

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Features
Single-player
Steam Achievements
Steam Cloud
Family Sharing
Steam is learning about this game 
Languages:
Interface Full Audio Subtitles
English ✔ ✔
Simplified Chinese ✔ ✔ ✔
Check out the entire LoveStoryProject LSP collection on Steam

Download 我的傲娇妹妹 MY TSUNDERE SISTER Demo

This game is not yet available on Steam

Planned Release Date: Aug 12, 2026

This game plans to unlock in approximately 4 hours

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Reviews

“高冷女友不在家，傲娇妹妹来找×”
LSP企划屋

About This Game

TAGS | Tsundere, Sister, Tsundere Sister, Twin Tails, Contrast, MY TSUNDER SISTER, Pure Love, Love, Love Story, Romance, Visual Novel, Gal, Galgame, AVG, Anime, Beautiful Girl, LSP, Beautiful Woman, Uniform, Young Girl, Cosplay

Mature Content Description

The developers describe the content like this:

Depictions of Online Harassment, Revealing Outfits, Subtle Romantic Tension

System Requirements

    Minimum:
    • Requires a 64-bit processor and operating system
    • OS: Windows 10 21H1 or Later Ver.
    • Processor: 2.0 GHz Core 2 Duo
    • Memory: 2 GB RAM
    • Storage: 1 GB available space
    Recommended:
    • Requires a 64-bit processor and operating system
    • OS: Windows 10 21H1 or Later Ver.
    • Processor: 2.0 GHz Core 2 Duo
    • Memory: 4 GB RAM
    • Storage: 1 GB available space
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