← Games

My little sister is my roommate!

A life-simulation game about sharing a home with your younger sister, Yui.

Also known as: 妹妹是室友 / 妹はルームメイト!

Engine UnityDeveloper お前も猫になるんだよAdult content
Platforms Windows · macOS (via ExeDock, Apple silicon)Languages English、Japanese、Simplified Chinese
Mac compatibility
Community Verified

Confirmed playable from players’ real play data on Mac (not tested by ExeDock itself).

Tested by players

Players1
Launch success100%
Players’ play time0.8 hours
Apple siliconM4
Memory36 GB
macOS versionmacOS 27
Game engineUnity
Last played2026-10-29

Added up automatically from anonymous play records, updated hourly.

Get the game Some are affiliate links

After a dormitory plumbing problem, Yui moves in with her older brother temporarily. Work, shop, relax at home, or go out together on days off; how you treat her affects conversations, events, and the ending. Yui’s expressions and daily gestures are presented with Live2D.

Download ExeDock free

Can I play My little sister is my roommate! on a Mac?

Yes. My little sister is my roommate! is a Windows game that runs on Apple silicon Macs (M1 and later) with the free ExeDock launcher — status: Community Verified. The recommended settings are applied automatically; no virtual machine or manual Wine setup needed. 1 player has played it on Mac for 0.8 hours in total.

Can I play other Unity games on Mac?

Usually, yes. My little sister is my roommate! is made with Unity, which ExeDock recognizes automatically; other Unity games can be dragged into ExeDock and played with matching settings. Every game can differ, so check its page or simply try it.

Unity games on Mac →

Player community

No one has shared their experience yet. After playing with ExeDock, leave the first review or question on the game's page in the app.

Want to comment or ask a question?

Reviews, issue reports and replies all happen in the ExeDock app. No sign-up needed.

Download ExeDock