TV series
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!
Streaming, rental and purchase options
Where to watch in United States
Checked Sep 1, 2026
Marriage Toxin is available to stream on Crunchyroll Premium and Crunchyroll Premium (Via Amazon Prime) in United States. You can also buy it from Amazon and Apple TV. Use the direct links below to open the provider.
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!
Season 2 episodes
Choose an episode, then use the watch options above for the show.
Episode information updated Sep 18, 2026
More about Marriage Toxin
Cast
Haruki IshiyaHikaru Gero (voice)
Shion WakayamaMei Kinosaki (voice)
Anna NagaseKyoko Himekawa (voice)
Mariya IseShizuku Ushio (voice)
Asaki YuikawaShiori Ureshino (voice)
Soma SaitoGenya Naruko (voice)
Hinano ShirahamaKimie Arashiyama (voice)
Shimba TsuchiyaPiichi Nakagawa (voice)Credits
- Written by
- Kimiko Ueno
Production details
- Status
- Returning Series
- Series type
- Scripted
- Episodes
- 13
- Original language
- Japanese
- Original title
- マリッジトキシン
Networks & production
Fuji TVJapan
Tokai Television BroadcastingJapan
Kansai TVJapan
Fukui TVJapan
Hokkaido Cultural BroadcastingJapan
Iwate Menkoi TelevisionJapan
