An anthology comic of Onii-chan wa Oshimai! by various mangaka. Volume 1 (2021-05-27) Cover Illustration: Namori Color Illustration: Yui Hara, Shiromanta, Bell Izumi 1. 3-bai★Push! (3倍★プッシュ!) [Namori] 2. Onii-chan wa Umitai!? (お兄ちゃんはうみたい!?) [Koume Fujichika] 3. Mahiro to Minority (まひろとマイノリティ) [Natsu Tadano] 4. Mahiro to Keika Kansatsu (まひろと経過観察) [Taku Kawamura] 5. Himitsu no Hand Sign (秘密のハンドサイン) [Masakuni Igarashi] 6. A letter for you [Waka Kakitsubata] 7. Oyama Mahiro wo Kisekaetai! (緒山まひろを着せ替えたい!) [Norito Asazuki] 8. Wasurerarenai Kanshoku (忘れられない感触) [Nekoume] 9. Mahiro to Mahiri (まひろとまひり) [Tsuchii] 10. Mahiro to Imaginary (まひろとイマジナリー) [Misaki Mori] 11. Mahiro to Kyoufu no Misshitsu (まひろと恐怖の密室) [Kometsubu] 12. Mihari to Aibou (みはりと相棒) [Shinichi Yuuki] 13. Mahiro Love Letter (まひろラブレター) [Kina Kobayashi] 14. Mahiro to Dankatsu (まひろと男活) [Suzu Yuuki] 15. Mahiro to Kourei no Are (まひろと恒例のアレ) [Suka] Volume 2 (2022-04-27) Cover Illustration: bb Kuroda Color Illustration: Cool-kyou Shinja Volume 3 (2023-01-07) Cover Illustration: Yui Hara Color Illustration: bb Kuroda Volume 4 (2023-11-27) Cover Illustration: Hiroshi Hiroyama Color Illustration: Hori Volume 5 (2024-09-27) Cover Illustration: Ryou Imamura Color Illustration: Cherry Arai Volume 6 (2025-07-26) Cover Illustration: Muchimaro Color Illustration: Kouhei Shibata, Tsuchii, Ayase Totsuki Volume 7 (2026-05-27) Cover Illustration: Cool-kyou Shinja Color Illustration: Zurikishi
Japanese study overview
Onii-chan wa Oshimai!: Koushiki Anthology Comic is a Japanese manga of 113,679 characters, with 6,719 unique words and 1,477 different kanji. Its difficulty rating on Jiten is easy, 1.5 out of 5. The full vocabulary list ranks all 6,719 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×643
- 見張Miha×224
- 公式official×192
- 私I×177
- 一one×157
- 朝日Asaka×131
- 思うto think×118
- 萌美子Monako×116
- 今日today×106
- 薬medicine×95
- 女の子girl×89
- 言うto say×86
- 鶏冠井Kaide×62
- ゆう太Yūta×30
- 迅Jin×23
- ＪＣfemale junior high school student×19
- 槌居Tsuchii×18
- 裏表紙back cover×16
- アホ毛frizz×10
- ＴＳtranssexual×9