Season
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 12 Mahiro's Future as a Sister
7.19 24 minutes Mahiro and the girls take a trip to a Japanese inn over spring break. First they hit the town in their yukata, before heading to the open-air bath to detox. However, things go south when Mahiro begins to feel a familar tingling sensation between his legs.
