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Oniichan wa Oshimai! EP9 - Mahiro Rings in the New Year
Premiered: 2023-03-02
Duration: 00:23:40
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?
PV Episodes
Main Episodes
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EP1 - Mahiro's Confusing New Body
Date：Jan 5, 2023 -
EP2 - Mahiro's Time of the Month
Date：Jan 12, 2023 -
EP3 - Mahiro's Close Encounter
Date：Jan 19, 2023 -
EP4 - Mahiro's New Friend
Date：Jan 26, 2023 -
EP5 - Mahiro Discovers Adventure and Social Gatherings
Date：Feb 2, 2023 -
EP6 - Mahiro Goes Back to Middle School
Date：Feb 9, 2023 -
EP7 - Mahiro's Role-Playing Game
Date：Feb 16, 2023 -
EP8 - Mahiro's First Girls Sleepover
Date：Feb 23, 2023 -
EP9 - Mahiro Rings in the New Year
Date：Mar 2, 2023 -
EP10 - Mahiro Ponders Boobs and Identity
Date：Mar 9, 2023 -
EP11 - Mahiro Pretties Up
Date：Mar 16, 2023 -
EP12 - Mahiro's Future as a Sister
Date：Mar 23, 2023
Extra Episodes
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