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! But Mihari is as determined to study him as he is determined to go back to his shut-in, game-playing life, and one thing’s for sure…life is going to get a whole lot weirder from here on out! (Source: Kodansha USA) Note: Includes 57 extra chapters.
Japanese study overview
Onii-chan wa Oshimai! is a Japanese manga of 122,873 characters, with 7,612 unique words and 1,535 different kanji. Its difficulty rating on Jiten is easy, 1.4 out of 5. The full vocabulary list ranks all 7,612 words by how often they appear, and you can study them on Jiten or download them as an Anki deck.
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Vocabulary highlights
Here are some of the words that appear most often in this media, as well as a sample of its rarer vocabulary.
- お兄ちゃん(one's) older brother×347
- 見張Miha×167
- 私I×164
- 朝日Asaka×157
- 萌美子Monako×145
- 今日today×124
- 鶏冠井Kaide×86
- 出るto leave×74
- 言うto say×71
- 男子boy×70
- 子child×69
- 待つto wait×69
- 迅Jin×30
- ＪＣfemale junior high school student×20
- 裏表紙back cover×20
- 描き下ろしnewly drawn artwork (illustrations, manga, etc.)×17
- 真尋Masahiro×13
- 穂月Hoozuki×13
- 自宅警備員shut-in×11
- 健人Kenji×10