Bandai Namco Filmworks opened an official website for a television anime adaptation of Joumyaku and Mizuki Yoda's Marriagetoxin manga on Wednesday, revealing the main cast, staff, a teaser visual (pictured), and teaser promotional video. The anime is scheduled to premiere in 2026.

Voice actors Haruki Ishiya (Hibike! Euphonium) and Shion Wakayama (Dandadan) are starring as Hikaru Gero and Mei Kinosaki, respectively.

Staff
Director: Motonobu Hori (Super Crooks, Carole & Tuesday)
Series Composition, Script: Kimiko Ueno (Dungeon Meshi, Zenshuu.)
Character Design, Chief Animation Director: Kouhei Tokuoka (Kaoru Hana wa Rin to Saku, Mahoutsukai no Yome Season 2)
Music: Taisei Iwasaki (Kekkai Sensen, Ryuu to Sobakasu no Hime), yuma yamaguchi (Shiguang Dailiren, Metallic Rouge)
Production Supervision: Bones
Studio: Bones Films

Joumyaku and Mizuki Yoda began serializing the action manga on the Shounen Jump+ web magazine in April 2022. Shueisha published the 14th volume on August 4, with the 15th volume scheduled for release on October 3.

VIZ Media licensed the manga in English in June 2023 and released the eighth volume on August 5, with the ninth volume set to be released on October 7.

Synopsis
A hitman and a marriage swindler set out on the world's most grueling battle for marriage! Gero is a young man from a clan of hitmen, which has been in existence for hundreds of years. As someone who's never gone to school and lived his life dealing in the dark side of the business, he considers himself to have "no prospects with women" and marriage as "something not for him." However, one day, in fear that their lineage would dissolve, his clan warns Gero that if he doesn't marry and produce an heir, they would have no choice but to...force his little sister into doing "that." Driven to his wits' end, Gero asks the target of his work, a marriage swindler, to... (Source: Manga Plus)

Teaser PV


Official site: https://www.marriagetoxin-anime.com/
Official X: @marritoxi_PR

Source: Comic Natalie

Marriagetoxin on MAL