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姐姐是我的猫
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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.

Expected release · Q4 2026

At a glance

About this game

Core game information and the store records it came from.

Title
姐姐是我的猫
Content
Game
Expected release
Q4 2026
Developer
希部菌
Publisher
希部菌
Platforms
Windows
Connected stores
1
Steam Steam source details
Store title
姐姐是我的猫
Product ID
4988080
Developer
希部菌
Publisher
希部菌
Store platforms
Windows
Source checked
2026-10-31 01:05 UTC

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How you can play

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Store tags

Genres

  • Casual
  • Indie
  • Simulation

Categories and genres from the Steam store, observed 2026-10-31. Store tags from Steam, as players and the store apply them.

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