Volume 3 (お兄ちゃんはおしまい!⑦⑧⑨, Onii-chan wa Oshimai!⑦⑧⑨) is the third collected works volume of Onimai: I'm Now Your Sister!. It is a compilation of Volume 7, Volume 8, and Volume 9 of the doujinshi with added bonus material. It was originally distributed at Air Comiket 2 on December 30, 2020 before receiving a general release on November 3, 2021.
Introduction[]
Mihari thanks the reader for picking up the compilation. Mahiro notes that it's been a pretty long time since the last one came out. Mihari says that Tankobon Volume 2 came out first, so they were sort of at a loss.
Continuing to smile and shine, Mihari notes that it's been a rough year for the doujin industry, so even if it's just a few new books, she'd be happy if they could get them printed out. Mahiro has to avert her eyes, noting that Mihari is too bright.
Mihari also points out that there's no more room at their convention table, as there are fifteen total volumes to sell now. Mahiro is intrigued that that's what Mihari is after.
Mahiro then smiles at the readers and invites them to enjoy the compilation's exclusive extras.
Chapters[]
| Volume | No. | Title |
|---|---|---|
| Volume 7 | 19 | Mahiro the Streamer |
| 20 | Mahiro and the Middle Schoolers | |
| 21 | Mahiro's First Day | |
| 21.5 (Part 1)/Special | Miyo's Refusal | |
| 21.5 (Part 2)/Special | Asahi's Innocence | |
| 21.5 (Part 3)/Special | Momiji's Nickname | |
| 21.5 (Part 4)/Special | Kaede's Concern | |
| Volume 8 | 22 | Mahiro's Difficult Class |
| 23 | Mahiro's Exciting Weekend | |
| 24 | Mahiro and Conversation | |
| 24.5 (Part 1)/Bonus | Mahiro's Lunch | |
| 24.5 (Part 2)/Bonus | Mihari's Lunch | |
| Volume 9 | 25 | Mahiro's Final Exams |
| 25.5 | Mahiro's Touch | |
| 26 | Mahiro the Patissier | |
| 26.5 | Mahiro's Twisted Logic | |
| 27 | Mahiro's Sleepover (Part 1) | |
| 27.5 | Mahiro's Sibling Bathtime | |
| N/A | Special | Mahiro and a Sleepy Day |
Bonus Material[]
- Character Profiles: Asahi Ōka, Miyo Murosaki, Nodoka Fushima, Nemu Fujimi, Yuta Sakurada, Minato Senkawa, Satsuki Takada, Minori Shiina, Akira Nakai, Miaso Nogota, Aoi Tachikawa, Mari Nishinomiya, Yuriko Kitahara, Rin Minakata.
- Bonus Sketch: Mahiro in her school uniform
- Afterword
Trivia[]
- The English language release of the four parts of Chapter 21.5 classifies them instead as special chapters.
- The English language release of the two parts of Chapter 24.5 classifies them instead as bonus chapters.
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