Onii Chan Wa Oshimai Mahiro Oyama Mihari Oyama Kaede Mahiro oyama (緒山 (おやま) 真尋 (まひろ) , oyama mahiro) is a former otaku slacker and the brother turned sister of mihari oyama, having been transformed into a middle school aged girl by one of mihari's experiments. she is voiced by marika kōno in the anime. mahiro's appearance as a guy directly before the transformation has never been fully seen. as a kid, his face looked. Mihari oyama (緒山 (おやま) みはり, oyama mihari) is the child prodigy younger sister of mahiro oyama. having skipped ahead several grades to go to college, she developed a drug that turned her older brother into a middle school aged girl as part of her "onii chan rehabilitation project". she is voiced by kaori ishihara in the anime. mihari is a high school aged girl with a very.
Oyama Mahiro Oyama Mihari Hozuki Momiji Hozuki Kaede Muros Momiji hozuki (穂月 (ほづき) 紅葉 (もみじ) , hozuki momiji) is a middle school student at yotsuba university affiliated junior high school, the younger sister of kaede hozuki, and the best friend of mahiro oyama. she is also very good friends with asahi Ōka, miyo murosaki, and nayuta tenkawa, having known the former since elementary school. she is voiced by minami tsuda in the anime. Mahiro oyama (緒山 真尋, oyama mahiro)[b] voiced by: marika kōno (drama cd, anime)[2] the protagonist of the series, mahiro was previously an otaku man living with his younger sister mihari until he was turned into a girl as a result of one of her experiments. mahiro ends up transferring to a middle school. mahiro is fond of playing video. Oniichan wa oshimai! self professed "home security guard" mahiro oyama has not left his home in years, secluding himself in his room playing erotic visual novels. this depraved lifestyle causes his prodigious sister, mihari, to worry about his well being. in hopes of solving this problem, she devises a plan to rehabilitate him back to normalcy. Studio bind. 2023. winter 2023. 3.786 out of 5 from 1,800 votes. rank #2,393. screenshots. mahiro oyama was just a normal erotic game loving dude…until he woke up one morning as a woman! turns out his mad scientist little sister, mihari, tried out one of her new experiments on him…with a disastrous outcome, as far as mahiro’s concerned.
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