Oniichan wa Oshimai!
Animation 6.7 2023

Starring

M
Mitsuki Nakamura
K
Kôsuke Kobayashi
Y
Yûya Uchida

Oniichan wa Oshimai!

When a lazy, erotic-game loving Otaku is transformed into a girl by his younger scientist sister's experiments, he becomes determined to change back, only to recognize that with his new opportunity, he may want to turn his life around.

Episodes

EP 1

Mahiro's Confusing New Body

EP 2

Mahiro's Time of the Month

EP 3

Mahiro's Close Encounter

EP 4

Mahiro's New Friend

EP 5

Mahiro Discovers Adventure and Social Gatherings

EP 6

Mahiro Goes Back to Middle School

EP 7

Mahiro's Role-Playing Game

EP 8

Mahiro's First Girls Sleepover

EP 9

Mahiro Rings in the New Year

EP 10

Mahiro Ponders Boobs and Identity

EP 11

Mahiro Pretties Up

EP 12

Mahiro's Future as a Sister

Trailers & Extras