A second season of the MARRIAGETOXIN TV anime has been announced with a January 2027 broadcast start window. The first season aired during the Spring 2026 anime season.
The anime, which follows an assassin who is forced to hunt for a bride as well as the marriage swindler who helps him, is an adaptation of the manga written by Joumyakyu and drawn by Mizuki Yoda. Motonobu Hori (Metallic Rouge, Super Crooks, Carole & Tuesday) directed the show at Bones Film. Haruki Ishiya voiced the assassin protagonist Hikaru Gero, while Shion Wakayama played the marriage swindler Mei Kinosaki.
The MARRIAGETOXIN manga began in Shueisha’s Shonen Jump + in 2022 and has 17 volumes as of April 2026. It placed eighth in the Tsugi ni Kuru Manga Taisho 2022’s web category. Manga Plus and Viz Media have it in English, with the former’s synopsis being:
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 marry him?! With the swindler as his advisor, the hitman’s pursuit of the perfect marriage begins. Get ready for the world’s most intense, action-packed matchmaking battle!
Production credits
• Director: Motonobu Hori
• Series composer and scriptwriter: Kimiko Ueno (Ranma ½ remake series composer and co-scriptwriter, Sanda)
• Character designer and chief animation director: Kohei Tokuoka (The Fragrant Flower Blooms with Dignity)
• Music composer: Taisei Iwasaki (Metallic Rouge, Blood Blockade Battlefront)
• Music composer: yuma yamaguchi (Undead Murder Farce, the upcoming Goodbye, Lara)
• Production supervision: Bones
• Animation production: Bones Film
Source: BANDAI NAMCO FILMWORKS Channel
