Series

Marriage Toxin

★ 8.3(15)202624m1 season

Animation Action & Adventure Comedy

▶ Watch trailer Official site

Marriage Toxin is streaming on Crunchyroll and Crunchyroll Amazon Channel in Mexico. Availability checked 12 June 2026.

Where to watch Marriage Toxin

🇲🇽 Mexico

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Good to know

Release date: 2026-04-07
Runtime: 24m
Language: Japanese
Seasons: 1
Episodes: 13
Network: Fuji TV, Tokai Television Broadcasting, Fukui TV, Hokkaido Cultural Broadcasting, Iwate Menkoi Television, Sendai Television, SAGA TV, Ishikawa TV, TNC, OHK, Kochi Sun Sun Broadcasting, Television Shin Hiroshima System, TV Shizuoka, NST, NBS, Sakuranbo TV, TSK, Ehime Broadcasting, KTS, Fukushima TV, AKT, Toyama Television, TV Kumamoto, Okinawa Television Broadcasting, KTN
Status: Returning Series
Country: Japan
Studio: BONES Film

Marriage Toxin — trailer

About Marriage Toxin

Marriage Toxin is a 2026 web series in the Animation, Action & Adventure and Comedy genres, starring Haruki Ishiya, Shion Wakayama and Anna Nagase. It spans 1 season and 13 episodes, and originally aired on Fuji TV, Tokai Television Broadcasting, Fukui TV, Hokkaido Cultural Broadcasting, Iwate Menkoi Television, Sendai Television, SAGA TV, Ishikawa TV, TNC, OHK, Kochi Sun Sun Broadcasting, Television Shin Hiroshima System, TV Shizuoka, NST, NBS, Sakuranbo TV, TSK, Ehime Broadcasting, KTS, Fukushima TV, AKT, Toyama Television, TV Kumamoto, Okinawa Television Broadcasting and KTN. It holds an average rating of 8.3/10 from 15 viewers. Below you can see where to watch Marriage Toxin in Mexico — across streaming, rental and purchase options — along with the full cast, trailer and viewer reviews.

Synopsis

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!