4 : Mahiro's New Friend
Mahiro loses to Mihari in a video game, so he has to do the grocery shopping this week as punishment. As an unemployed, good-for-nothing shut-in, the task at hand is daunting, but he plucks up the courage and makes his way towards the supermarket. The size of the crowd, however, makes his resolve waver and Mahiro finds himself cowering outside the store entrance. It is then that a young boy (?) around his age, wearing a baseball cap, comes to the rescue and offers him a helping hand. Thanks to the boy`s (?) help, Mahiro is able to buy the groceries he needs and is just about to head home, when Kaede suddenly shows up. Seemingly, out of nowhere.
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DiscordSelf-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.
The first part of Mihari's plan is to concoct a medicine that changes her brother's biological constitution into a bona fide female, much to Mahiro's vehement dismay. Stuck in this predicament, Mahiro has no choice but to live out his life as a cute girl until the effect wears off—if it ever does.
[Written by MAL Rewrite]
- 23 min per ep5 : Mahiro Discovers Adventure and Social GatheringsOniichan wa Oshimai!5004views •
- 23 min per ep6 : Mahiro Goes Back to Middle SchoolOniichan wa Oshimai!4793views •
- 23 min per ep7 : Mahiro's Role-Playing GameOniichan wa Oshimai!4904views •
- 23 min per ep8 : Mahiro's First Girls SleepoverOniichan wa Oshimai!4207views •
- 23 min per ep9 : Mahiro Rings In the New YearOniichan wa Oshimai!4260views •
- 23 min per ep10 : Mahiro Ponders Boobs and IdentityOniichan wa Oshimai!3520views •
- 23 min per ep11 : Mahiro Pretties UpOniichan wa Oshimai!3514views •
- 23 min per ep12 : Mahiro's Future as a SisterOniichan wa Oshimai!3564views •