Uchi no Otōto-domo ga Sumimasen (manga/live action/anime)
Uchi no Otōto-domo ga Sumimasen (うちの弟どもがすみません; lit. ‘Sorry About My Younger Brothers!‘) is a Japanese manga series written and illustrated by Akira Ozaki. It began serialization in Shueisha‘s shōjo manga magazine Bessatsu Margaret in January 2020. A live-action film adaptation premiered in Japanese theaters in December 2024. An anime television series adaptation produced by Lay-duce is set to premiere in 2026.
Plot
After attending high school for a year, Ito Narita has to move due to her mother getting remarried. Following the move, Ito finds out that she has four younger brothers: Gen, Raku, Shū, and Rui. She initially struggles to get accustomed to her brothers, but she finds out that they’re kind, especially the oldest, Gen.
Characters
- Ito Narita (成田糸, Narita Ito)
- Voiced by: Kaede Hondo (vomic), Naomi Ōzora (anime)
- Portrayed by: Mei Hata
- Gen Narita (成田源, Narita Gen)
- Voiced by: Yuma Uchida (vomic), Toshiki Masuda (anime)
- Portrayed by: Ryuto Sakuma
- Raku Narita (成田洛, Narita Raku)
- Voiced by: Junta Terashima (vomic)
- Portrayed by: Yuto Nasu
- Shū Narita (成田柊, Narita Shū)
- Portrayed by: Nao Oriyama
- Rui Narita (成田類, Narita Rui)
- Voiced by: Atsumi Tanezaki (vomic)
- Portrayed by: Kanon Uchida
- Father (父, Chichi)
- Voiced by: Kazuya Nakai (vomic)
- Portrayed by: Akira Kawashima
- Mother (母, Haha)
- Voiced by: Mikako Takahashi (vomic)
- Portrayed by: Yuko Fueki
Media
Manga
Written and illustrated by Akira Ozaki, Uchi no Otōto-domo ga Sumimasen began serialization in Shueisha‘s shōjo manga magazine Bessatsu Margaret on January 11, 2020. Its chapters have been collected into fourteen tankōbon volumes as of July 2025.
Volumes
| No. | Release date | ISBN |
|---|---|---|
| 1 | May 25, 2020 | 978-4-08-844346-1 |
| 2 | September 25, 2020 | 978-4-08-844374-4 |
| 3 | January 25, 2021 | 978-4-08-844434-5 |
| 4 | May 25, 2021 | 978-4-08-844486-4 |
| 5 | October 25, 2021 | 978-4-08-844529-8 |
| 6 | February 25, 2022 | 978-4-08-844580-9 |
| 7 | June 23, 2022 | 978-4-08-844581-6 |
| 8 | November 25, 2022 | 978-4-08-844645-5 |
| 9 | March 24, 2023 | 978-4-08-844709-4 |
| 10 | July 25, 2023 | 978-4-08-844786-5 |
| 11 | February 22, 2024 | 978-4-08-844863-3 |
| 12 | July 25, 2024 | 978-4-08-843020-1 |
| 13 | January 23, 2025 | 978-4-08-843087-4 |
| 14 | July 25, 2025 | 978-4-08-843157-4 |
Live-action film
A live-action film adaptation was announced on July 9, 2024. It is produced by Shochiku and directed by Koichiro Miki, with scripts written by Rika Nezu and music composed by Kotringo. The film premiered in Japanese theaters on December 6, 2024.
Anime
An anime television series adaptation was announced on December 6, 2025. It will be produced by Lay-duce and directed by Hitoshi Nanba, with series composition handled by Megumi Shimizu, characters designed by Shiori Hiraiwa and Yōko Fukushima, and music composed by Gin from Busted Rose. The series is set to premiere in 2026.
| Uchi no Otōto-domo ga Sumimasen | |
First tankōbon volume cover
|
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| うちの弟どもがすみません | |
|---|---|
| Genre | Romantic comedy |
| Manga | |
| Written by | Akira Ozaki |
| Published by | Shueisha |
| Imprint | Margaret Comics |
| Magazine | Bessatsu Margaret |
| Original run | January 11, 2020 – present |
| Volumes | 14 |
| Live-action film | |
| Directed by | Koichiro Miki |
| Written by | Rika Nezu |
| Music by | Kotringo |
| Studio | Shochiku |
| Released | December 6, 2024 |
| Runtime | 105 minutes |
| Anime television series | |
| Directed by | Hitoshi Nanba |
| Written by | Megumi Shimizu |
| Music by | Gin (Busted Rose) |
| Studio | Lay-duce |
| Original run | 2026 – scheduled |
A simple moment can change the entire life…
A pure friendship is being born…
