TV / Winter 2023
Oniichan wa Oshimai!
The story
Synopsis
Oniichan wa Oshimai! is a comedy with a shounen bent that centers on an awkward sibling dynamic and a life upended by an unexpected twist. Mahiro is a reclusive young man who spends most of his time indoors immersed in adult visual novels, worrying his proactive sister Mihari. In an attempt to reform his habits she resorts to an unusual remedy that alters M…
Characters
Meet the featured characters and Japanese voice actors tied to Oniichan wa Oshimai! before opening the full characters page.
Mahiro Oyama
Main | Japanese VA: Kouno, Marika
Mihari Oyama
Main | Japanese VA: Ishihara, Kaori
Kaede Hozuki
Supporting | Japanese VA: Kanemoto, Hisako
Asahi Ouka
Supporting | Japanese VA: Yuuki, Kana
Momiji Hozuki
Supporting | Japanese VA: Tsuda, Minami
Miyo Murosaki
Supporting | Japanese VA: Hioka, Natsumi
Staff
Meet the people behind Oniichan wa Oshimai!.
Fujii, Shingo
Director, Episode Director, Storyboard
Nekotoufu
Original Creator, Principle Drawing
Yokote, Michiko
Script, Series Composition
Hatakeyama, Takurou
Producer
Hishiyama, Mitsuteru
Producer
Ootomo, Toshiya
Producer
Latest Episodes
Recent episodes from Oniichan wa Oshimai!.
Episode 12: Mahiro's Future as a Sister
Aired Mar 23, 2023
Episode 11: Mahiro Pretties Up
Aired Mar 16, 2023
Episode 10: Mahiro Ponders Boobs and Identity
Aired Mar 9, 2023
Episode 9: Mahiro Rings In the New Year
Aired Mar 2, 2023
Episode 8: Mahiro's First Girls Sleepover
Aired Feb 23, 2023
Episode 7: Mahiro's Role-Playing Game
Aired Feb 16, 2023
More Guide Pages
Open the deeper episode, cast, staff, and franchise guide pages tied to this overview.
Oniichan wa Oshimai! episode guide
12 tracked episodes