ACDB
Explore Franchise
Story
Mahiro Oyama is a shut-in neet who enjoys doujins and eroge games. When he wakes up one day, he found out that his gender was changed by his sister Mihari Oyama as part of her college experiment. Now Mahiro must live as a middle school girl under his (now her) sister's "Onii-chan Remodelling Plan"...
Series ID 107723
Media Type Manga
Title ONIMAI: I'm Now Your Sister! (Manga)
English Title ONIMAI: I'm Now Your Sister! (Manga)
Aliases
Romaji Title Oniichan wa Oshimai!
Furigana Title おにいちゃんはおしまい
Japanese Title お兄ちゃんはおしまい!
Japanese Studio Name GRINP
English Studio Name
Content Rating T - Teen
Genre Tags ( Add ) slice of life, gender bender
Release Date
Links Home Page EN Wiki JP Wiki Link 6 Trends History
DB Links ( Add ) MangaUpdates MangaDex
Character Popularity * 1
Watching In Progress technormity[ 0 ]
Mahiro Oyama

Mahiro

Mihari Oyama

Mihari

Nayuta Tenkawa

Nayuta

Matsuri Oyama

Matsuri

Asahi Ouka

Asahi

You might also like

slice of life, gender bender

ONIMAI: I'm Now Your Sister!
ONIMAI: I'm Now Your Sister! (Manga)

Same Season

ONIMAI: I'm Now Your Sister! (Manga)
Love Me for Who I Am

Kawaii or NOT?!

Anime Character
Gau Hai

Quotes

EvilGirl voted Rio Tsukatsuki Character of the Day
EvilGirl wished Hayato Kamitani a Happy Birthday
rinhiki wished Miho Azuki a Happy Birthday
chanchanlee joined a Dragon Battle
chanchanlee defeated a Dragon
Jinto found a Dragon Slayer Candidate Kuki Shinobu
Jinto voted Rio Tsukatsuki Character of the Day
Jinto wished Yami Ringosama a Happy Birthday
Ruthie rated Yurara ★★★★★
Ruthie joined a Dragon Battle