My Highly Competent Older Sister Can't Resist Masturbating!
by namaxaurus
About My Highly Competent Older Sister Can't Resist Masturbating!
My Highly Competent Older Sister Can't Resist Masturbating! is a Unity-made cohabitation simulation by namaxaurus. You play as a male protagonist living with an older sister, giving her preferred stimulants after work and observing her private routine. The game uses 2D CG art and touches on teasing and virgin themes.
Development is finished, and the release is dated April 11, 2026. It runs on Windows, is presented in English through AI translation, and includes censorship.
Developer's description
“My Big Sister Can’t Resist Masturbating After a Long Day at Work!” is a cohabitation simulation game with your older sister! You live with your “older sister,” provide her with her favorite “stimulants” when she’s tired from work, and enjoy watching her masturbate as much as she likes!
My Highly Competent Older Sister Can't Resist Masturbating! screenshots
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