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 9
Mahiro Rings In the New Year
Regular Episode
2023-03-02 (1 year ago)
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?