1122: For a Happy Marriage

1122: For a Happy Marriage, simply known in Japan as 1122, is a Japanese manga series written and illustrated by Peko Watanabe. It was serialized in Kodansha's manga magazine Monthly Morning Two from September 2016 to May 2020, with its chapters collected in seven  volumes.

A seven-episode live-action television drama adaptation premiered in June 2024.

Characters

 * Otoya Aihara (相原二也)


 * Ichiko Aihara (相原一子)


 * Mizuki Kashiwagi (柏木美月)


 * Shiro Kashiwagi (柏木志朗)


 * Hiro Kashiwagi (柏木ひろ)


 * Megumi (恵)


 * Yuri (ユリ)


 * Tamae (たまえ)


 * Rei Ikebata (池端礼)


 * Tōko Aihara (相原とう子)


 * Mizuki's mother (美月の母)


 * Otoya's mother (二也の母)


 * Ichiko's mother (一子の母)

Manga
Written and illustrated by Peko Watanabe, 1122: For a Happy Marriage' was serialized in Kodansha's manga magazine Monthly Morning Two from September 21, 2016, to May 22, 2020. Kodansha collected its chapters in seven volumes, released from May 23, 2017, to July 20, 2020.

In North America, the manga is licensed for English digital release by Kodansha USA. The seven volumes were released from October 22, 2019, to July 6, 2021.

Drama
A live-action television drama adaptation was announced on November 22, 2023. The drama is produced by Lat-Lon and directed by Rikiya Imaizumi, with scripts written by his wife Kaori and planning and production by Junko Satō, and stars Masaki Okada and Mitsuki Takahata as Otoya and Ichiko Aihara, respectively. It premiered its first three episodes on Amazon Prime Video on June 14, 2024, while episodes 4 and 5 are set to be available on June 21 and episodes 6 and 7 on June 28.

Reception
1122: For a Happy Marriage was nominated for the 12th Manga Taishō in 2019. In December 2019, Brutus magazine listed 1122: For a Happy Marriage on their "Most Dangerous Manga" list, which included works with the most "stimulating" and thought-provoking themes.