| Otonanajimi | |
 Firsttankōbon volume cover | |
| おとななじみ | |
|---|---|
| Genre | Romantic comedy[1] |
| Manga | |
| Written by | Aya Nakahara |
| Published by | Shueisha |
| Imprint | Margaret Comics |
| Magazine | Cocohana |
| Demographic | Josei |
| Original run | March 28, 2019 –October 28, 2021 |
| Volumes | 8 |
Otonanajimi (Japanese:おとななじみ) is a Japanesemanga series written and illustrated byAya Nakahara. It was serialized inShueisha'sjosei manga magazineCocohana from March 2019 to October 2021, with its chapters collected into eighttankōbon volumes. Alive action film adaptation premiered in Japan in May 2023.
Written and illustrated byAya Nakahara,Otonanajimi was serialized inShueisha'sCocohana magazine from March 28, 2019,[2][3] to October 28, 2021.[4][5] Eighttankōbon volumes have been released from July 2019 to December 2021.[6][7]
| No. | Japanese release date | Japanese ISBN |
|---|---|---|
| 1 | July 25, 2019[6] | 978-4-08-844228-0 |
| 2 | December 25, 2019[8] | 978-4-08-844285-3 |
| 3 | April 24, 2020[9] | 978-4-08-844336-2 |
| 4 | August 25, 2020[10] | 978-4-08-844372-0 |
| 5 | December 24, 2020[11] | 978-4-08-844389-8 |
| 6 | April 23, 2021[12] | 978-4-08-844484-0 |
| 7 | August 25, 2021[13] | 978-4-08-844519-9 |
| 8 | December 24, 2021[7] | 978-4-08-844563-2 |
In October 2022, it was announced that the series would be receiving alive action film adaptation, starring HiHi Jets member Mizuki Inoue and Rinka Kumada. The film is directed by Hiroto Takahashi, based on a screenplay written by Erika Yoshida. It premiered in Japan on May 12, 2023.[1][14]