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Oniichan wa Oshimai! - Information; Final; Summary

On this page, we present all the information, trivia, spoilers, summaries, main characters, and any other questions one might have regarding the anime: Oniichan wa Oshimai!.


Oniichan wa Oshimai!

Oniichan wa Oshimai!

Synopsis: Mahiro Oyama, a young recluse who has become an expert in erotic romance games, lives isolated in his room, immersed in his digital fantasies. His devoted sister, Mihari, worried about her brother's mental and physical health, decides to take drastic measures to bring him back to reality. She creates a magical solution that transforms him into a girl, forcing Mahiro to face his new life under a female identity. Now, he must navigate the challenges and unexpected situations that arise in his new form while reflecting on his choices and the relationship with his sister, in a comedy that mixes elements of transformation and self-discovery.

Table of Content
- Information
- Trailer/OP
- Curiosities
- Characters
- Summary
- FAQ
- Meaning
- Related

Information

Anime Names

  • Anime Name: Oniichan wa Oshimai!
  • Anime Name in Japanese: お兄ちゃんはおしまい!
  • Anime Name in English: Onimai: I'm Now Your Sister!
  • Other names: Onimai, Onii-chan is Done For

Production information

  • Producers: TOHO animation, Egg Firm, Ichijinsha
  • Licensors: Desconhecido
  • Studios: Studio Bind

Anime Information

  • Type: TV
  • Episodes: 12
  • Date: 44927
  • Genres: Comedy
  • Subjects: CGDCT, Magical Sex Shift, School
  • Target: Shoujo

External Links

Anime Reviews

  • Rating: 7
  • Popularity: 500

Video Trailer/Opening

Curiosities

  • "Oniichan wa Oshimai!" is based on a manga written and illustrated by Nekotoufu, which started being published online in 2017, before being published in physical format.
  • The series is known for its humor and comedic situations that involve gender change, where the protagonist, Mahiro Oyama, once a typical older brother, wakes up one day to discover that he has been transformed into a girl due to an experiment by his scientist sister.
  • The anime explores themes of gender identity and personal growth, all with a comedic and light touch, providing reflections on acceptance and self-discovery.
  • The series was praised for its colorful and vibrant animation, as well as for the way it addresses sensitive themes in a respectful and humorous manner.
ONIIHAN WA OSHIMAI!
Imagem de: Oniichan wa Oshimai!

Main Characters

  • Oyama Mahiro
  • Oyama Mihari
  • Hozuki Kaede
  • Ouka Asahi
  • Hozuki Momiji
  • Murosaki Miyo
  • Fujimi Nemu
  • Leonardo
  • Nagase Miyako
  • Kitahara Yuriko

Summary and events

  • Mahiro Oyama lives in seclusion in his house, obsessed with erotic visual games.
  • Your sister Mihari, concerned about Mahiro's well-being, decides to intervene.
  • Mihari develops a potion that transforms Mahiro into a girl.
  • Mahiro, now in a female body, must adapt to her new reality.
  • He faces daily challenges and learns to live like a girl.
  • Mahiro hopes that the effects of the potion are temporary.
  • Mihari closely observes Mahiro's progress, seeking his recovery.
  • While dealing with the transformation, Mahiro discovers new aspects about himself.
  • The events generate reflections on identity and acceptance.

What happens in the end?

Below we have a summary of what happens at the end of the anime Oniichan wa Oshimai!We have placed a Spoiler alert, just click below to display the content of the end of the work.

Currently, "Oniichan wa Oshimai!" still does not have a published ending. The work is ongoing, and fans are eager to see how the story of Mahiro Oyama, who transforms into a girl due to his sister's experiences, will unfold. So far, the manga and its anime adaptation explore the difficulties and discoveries of this new life in a comedic and emotional way. As we await new chapters, the evolution of the characters and their interactions offer a unique and engaging portrait of the constantly developing narrative.

Meaning of Oniichan wa Oshimai!

Let's look at the translation of each word and explanation of the anime's name: 

お兄ちゃんはおしまい!
  • お兄ちゃん (oniichan) - older brother
  • は (wa) - particle that indicates the topic of the sentence
  • おしまい (oshimai) - end, closing
  • ! ( !) - exclamation
The title "お兄ちゃんはおしまい!" can be translated as "Big brother, this is the end!" or "Big brother, it's over!", suggesting a closure or a drastic change in the protagonist's life. In the context of the anime, the phrase reflects the radical transformation that Mahiro experiences in his life, being forcibly turned into a girl by his sister with the aim of rehabilitating him. The absurd and comedic situation resulting from this change emphasizes the family tension and the struggle between the young man who wishes to isolate himself and the sister who wants to bring back the brother she cares about.

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