姐姐是我的猫
My Sister is My Cat, a Japanese otome dating sim. You play a physics prodigy with severe androphobia — until her stepbrother becomes the only exception. Balance classes and social life, raise stats, romance three leads, unlock multiple endings. Your choice decides who stays.
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About 姐姐是我的猫
My Sister is My Cat is a Japanese-style otome dating sim.
You play as the heroine, balancing academics and social life over four years of campus life. Raise your charm, fashion, and temperament stats — and meet three romanceable male leads: a gentle-yet-possessive top idol, a shy-and-sweet upperclassman, and a smooth-talking narcissist with a heart of gold.
Through classes, part-time jobs, dates, and seasonal festivals, you'll deepen your bonds and unlock multiple endings. Every choice you make will decide who stays by your side in the end.
Game details
Game details
Age ratings
Game modes
Languages
姐姐是我的猫 — frequently asked questions
When does 姐姐是我的猫 release?
Steam lists the 姐姐是我的猫 release date as Sep 9, 2026.
How much will 姐姐是我的猫 cost?
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System requirements
Minimum
- OS *: Windows 7 SP1 64-bit or newer
- Processor: Intel Core i3-2100 or equivalent
- Memory: 2 GB RAM
- Graphics: DirectX 10 compatible (512MB VRAM)
- DirectX: Version 10
- Network: Broadband Internet connection
- Storage: 500 MB available space
- Sound Card: DirectX compatible sound card
- VR Support: N/A
- Additional Notes: 1280x720 or higher screen resolution recommended
Recommended
- OS: Windows 10 64-bit
- Processor: Intel Core i5-4460 or equivalent
- Memory: 4 GB RAM
- Graphics: DirectX 11 compatible (1GB VRAM)
- DirectX: Version 11
- Network: Broadband Internet connection
- Storage: 1 GB available space
- Sound Card: DirectX compatible sound card
- VR Support: N/A
- Additional Notes: 1920x1080 screen resolution recommended
