Watch ONIMAI: I'm Now Your Sister! (2023) Online Free
Season: 1
E1Mahiro's Confusing New BodyE2Mahiro's Time of the MonthE3Mahiro's Close EncounterE4Mahiro's New FriendE5Mahiro Discovers Adventure and Social GatheringsE6Mahiro Goes Back to Middle SchoolE7Mahiro's Role-Playing GameE8Mahiro's First Girls SleepoverE9Mahiro Rings in the New YearE10Mahiro Ponders Boobs and IdentityE11Mahiro Pretties UpE12Mahiro's Future as a Sister
When lazy, erotic-game loving Mahiro Oyama is transformed into a girl by his younger scientist sister's experiments, he becomes determined to change back, only to recognize that with his new opportunity, he may want to turn his life around.
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