#1
Onimai X Y/nby JeezThatsCrazy
I swear I've waited years for this and it still doesn't exist-
Welcome! The first Onii-chan Wa Oshimai Or Onimai or Im now your sister or- THERES TO MANY NAMES FOR THIS...
#2
Die Regnende Liebe: A Mahiro x Mom...by HiuSharky
A fanfiction of the series ONIMAI: I'm now your sister! (お兄ちゃんはおしまい!)
Mihari is going out for a day, and Mahiro will be alone in the house. It's August, meaning that it'...
#3
Sasaki to Miyano onimai auby Minako kozume
The plot of onimai but with Sasaki to Miyano characters
The characters are not siblings but friends living under the same roof
An event leaving Miyano yoshikazu to beco...
#4
Onimai regressedby Blake Foye
Through the power of a drug Mihari had slipped her sibling's way the once twenty year old shut-in boy had not only fully become a girl, but had regressed to early toddle...