ONIMAI: I'm Now Your Sister! — Season 1, Episode 9: Mahiro Rings in the New Year
Animation, Comedy • 23 min • 1 season, 12 episodes • ★ 7.4/10
Episode synopsis
It's Christmas and Mahiro is shocked to hear his own little sister has a date. Unable to shake his unease, he follows her through the festive hustle and bustle in secret, with Momiji as his escort in tow. Who could Mihari possibly be meeting with?
About ONIMAI: I'm Now Your 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.
More episodes from Season 1
- E1Mahiro's Confusing New Body
- E2Mahiro's Time of the Month
- E3Mahiro's Close Encounter
- E4Mahiro's New Friend
- E5Mahiro Discovers Adventure and Social Gatherings
- E6Mahiro Goes Back to Middle School
- E7Mahiro's Role-Playing Game
- E8Mahiro's First Girls Sleepover
- E10Mahiro Ponders Boobs and Identity
- E11Mahiro Pretties Up
- E12Mahiro's Future as a Sister