3 : Mahiro's Close Encounter
Mahiro makes a mad dash for the bathroom, but when he opens the door, he finds the facilities are already occupied by a high school girl he`s never met. This bold fashionista turns out to be Kaede, Mihari`s old classmate from middle school. Mahiro is initially a little nervous around her, but as he gets to know her, he learns how much of a nice person she is and becomes quite attached to her. Then, out of nowhere, Kaede asks "You`ve never done it before, have you?" and begins to scooch closer to a puzzled Mahiro. I wonder what she`s about to do next...
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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 ep4 : Mahiro's New FriendOniichan wa Oshimai!5644views •- 23 min per ep5 : Mahiro Discovers Adventure and Social GatheringsOniichan wa Oshimai!4982views •
- 23 min per ep6 : Mahiro Goes Back to Middle SchoolOniichan wa Oshimai!4771views •
- 23 min per ep7 : Mahiro's Role-Playing GameOniichan wa Oshimai!4877views •
- 23 min per ep8 : Mahiro's First Girls SleepoverOniichan wa Oshimai!4194views •
- 23 min per ep9 : Mahiro Rings In the New YearOniichan wa Oshimai!4241views •
- 23 min per ep10 : Mahiro Ponders Boobs and IdentityOniichan wa Oshimai!3509views •
- 23 min per ep11 : Mahiro Pretties UpOniichan wa Oshimai!3501views •
- 23 min per ep12 : Mahiro's Future as a SisterOniichan wa Oshimai!3540views •
