姐姐是我的猫 — Steam game overview

Stored observation / content update: 2026-10-25T06:37:54.000Z

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.

Upcoming game. Player and sales observations may not yet exist.

Revenue is modelled, not confirmed sales. See the methodology and uncertainty range.