Love and poison collide in this thrilling, high stakes anime!
MARRIAGETOXIN has finally unveiled a broadcast date on its social media accounts and website last 14 February (Saturday). The action romantic comedy series is all set to premiere on 7 April, 2026 at 11PM JST (10PM SGT) on Japanese television channels Kansai TV and Fuji TV. Muse Communication has licensed the anime for Southeast Asia streaming.
the announcement was paired with aa voice recording of the character of Mei Kinosaki, who is voiced by Shion Wakayama, giving out timely romance advice:
MARRIAGETOXIN details
Motonobu Hori directs the anime at Bones Film, with Kimiko Ueno handling the scripts. Kohei Tokuoka is the character designer and chief animation director, while Yuma Yamaguchi composes the music.
The main cast members are:
- Haruki Ishiya as Hikaru Gero
- Shion Wakayama as Mei Kinosaki
While additional cast are:
- Anna Nagase as Kyoko Himekawa
- Asaki Yuikawa as Shiori Ureshino
- Soma Saito as Genya Naruko
- Hinano Shirahama as Kimie Arashiyama
- Simba Tsuchiya as Piichi Nakagawa
- Haruka Shiraishi as Akari Shimaburo
- Isamu Yusen as Toshiki Hanamaki
The anime is based on the manga written by Joumyaku and illustrated by Mizuki Yoda. Viz Media publishes the manga in English and describes the story as:
Poison Master Hikaru Gero is about to take on his most challenging assignment yet—getting married! But after training his entire life to become one of the world’s deadliest assassins, Gero couldn’t be more clueless when it comes to the art of dating. Thankfully, marriage swindler Mei Kinosaki knows everything there is to know about love, and together, this unlikely pair is going to do whatever it takes to get Gero hitched—even if they have to take on the entire criminal underworld in the process!