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Season 1 Episode
- Season 1 Mahiro's Confusing New Body
- Season 1 Mahiro's Time of the Month
- Season 1 Mahiro's Close Encounter
- Season 1 Mahiro's New Friend
- Season 1 Mahiro Discovers Adventure and Social Gatherings
- Season 1 Mahiro Goes Back to Middle School
- Season 1 Mahiro's Role-Playing Game
- Season 1 Mahiro's First Girls Sleepover
- Season 1 Mahiro Rings in the New Year
- Season 1 Mahiro Ponders Boobs and Identity
- Season 1 Mahiro Pretties Up
- Season 1 Mahiro's Future as a Sister
ONIMAI: I'm Now Your Sister! - Season 1 Episode 8 Mahiro's First Girls Sleepover
7.10 24 minutes It's finally winter break and Mahiro is excited to get into his Winter Vacation Mode. Unbeknownst to him, however, Mihari invites Momiji and the others over for a sleepover. She hopes this will prevent a potential relapse into his old, shut-in ways.
