Overview
For centuries, the deadly arts have been perfected by Masters, and Five Great Families hold the greatest power and influence. Hikaru Gero, an heir to the Gero family, lives in the underworld as an elite assassin. When his sister is pressured to produce an heir, Hikaru asks Mei Kinosaki, a brilliant marriage swindler, to find him a bride. The most challenging mission of his life begins!
Seasons & Episodes
Season 1
Key Information
Watch Trailer
Cast & Crew
Haruki Ishiya
Hikaru Gero (voice)
Shion Wakayama
Mei Kinosaki (voice)
Anna Nagase
Kyoko Himekawa (voice)
Mariya Ise
Shizuku Ushio (voice)
Asaki Yuikawa
Shiori Ureshino (voice)
Soma Saito
Genya Naruko (voice)
Hinano Shirahama
Kimie Arashiyama (voice)
Shimba Tsuchiya
Piichi Nakagawa (voice)
Haruka Shiraishi
Akari Gero (voice)
Isamu Yusen
Toshiki Hanamaki (voice)
Frequently Asked Questions
For centuries, the deadly arts have been perfected by Masters, and Five Great Families hold the greatest power and influence. Hikaru Gero, an heir to the Gero family, lives in...
Marriage Toxin has 1 season with 13 episodes.
Marriage Toxin premiered on April 7, 2026.
Yes, Marriage Toxin is currently ongoing with new episodes.
Marriage Toxin originally aired on Fuji TV. Check your local streaming services for availability.
Marriage Toxin has a rating of 8.7/10 based on user reviews.
Marriage Toxin is classified as Animation, Action & Adventure, Comedy.