1
Mahiro`s Confusing New Body
2
Mahiro`s Time of the Month
3
Mahiro`s Close Encounter
4
Mahiro`s New Friend
5
Mahiro Discovers Adventure and Social Gatherings
6
Mahiro Goes Back to Middle School
7
Mahiro`s Role-Playing Game
8
Mahiro`s First Girls Sleepover
9
Mahiro Rings In the New Year
10
Mahiro Ponders Boobs and Identity
11
Mahiro Pretties Up
12
Mahiro`s Future as a Sister
Onii-chan wa Oshimai! - Episode 12
Mahiro`s Future as a Sister
Regular Episode
2023-03-23 (1 year ago)
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.