Marriage Toxin
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!
Watch trailerWhere to watch in 🇺🇸 United States
Top cast
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
Where can I watch Marriage Toxin online?
As of October 4, 2026, Marriage Toxin is available to stream on Crunchyroll and Crunchyroll Amazon Channel in United States. Use the country selector above to check availability in other regions — streaming rights are licensed per country, so catalogues differ.
Is Marriage Toxin on Netflix?
No — Marriage Toxin is not currently on Netflix in any of the countries we track. In United States it streams on Crunchyroll and Crunchyroll Amazon Channel instead.
Can I rent or buy Marriage Toxin online?
Yes. In United States, Marriage Toxin is available for digital purchase on Amazon Video, Apple TV Store, and Fandango At Home.
In which countries can I stream Marriage Toxin?
As of October 4, 2026, Marriage Toxin is included with a streaming subscription (or free with ads) in Argentina, Brazil, Canada, Chile, Colombia, Germany, Italy, Mexico, Portugal, Spain, United Kingdom, and United States, among the countries we track.
Streaming availability last checked on October 4, 2026. Catalogues change frequently — data from TMDB and JustWatch.
