Releases by store
| Store / edition | Play on | Release | Price |
|---|---|---|---|
| Steam | PC | Q4 2026Quarter window | — |
About this game
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.
Details
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