Marriage Toxin backdrop
Marriage Toxin poster
Animation Action & Adventure Comedy

Marriage Toxin (2026)

Status Returning Series
First air date 07/04/2026
Seasons 1
Episodes 13
Country JP
Network
Fuji TV Fuji TV
Tokai Television Broadcasting Tokai Television Broadcasting
Kansai TV Kansai TV
Fukui TV Fukui TV
Hokkaido Cultural Broadcasting Hokkaido Cultural Broadcasting
Iwate Menkoi Television Iwate Menkoi Television
Sendai Television Sendai Television
SAGA TV SAGA TV
Ishikawa TV Ishikawa TV
TNC TNC
OHK OHK
Kochi Sun Sun Broadcasting Kochi Sun Sun Broadcasting
Television Shin Hiroshima System Television Shin Hiroshima System
TV Shizuoka TV Shizuoka
NST NST
NBS NBS
Sakuranbo TV Sakuranbo TV
TSK TSK
Ehime Broadcasting Ehime Broadcasting
KTS KTS
Fukushima TV Fukushima TV
AKT AKT
Toyama Television Toyama Television
TV Kumamoto TV Kumamoto
Okinawa Television Broadcasting Okinawa Television Broadcasting
KTN KTN
Where to watch
Crunchyroll Crunchyroll Amazon Channel Amazon Video Apple TV Store Fandango At Home
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!
Cast
Haruki Ishiya profile photo
Haruki Ishiya
as Hikaru Gero (voice)
Shion Wakayama profile photo
Shion Wakayama
as Mei Kinosaki (voice)
Anna Nagase profile photo
Anna Nagase
as Kyoko Himekawa (voice)
Mariya Ise profile photo
Mariya Ise
as Shizuku Ushio (voice)
Asaki Yuikawa profile photo
Asaki Yuikawa
as Shiori Ureshino (voice)
All trailers
Animation Action & Adventure Comedy

Marriage Toxin

Second Trailer [Subtitled]

Video: YouTube
Duration: 01:34
Animation Action & Adventure Comedy

Marriage Toxin

First Trailer [Subtitled]

Video: YouTube
Duration: 01:34
Animation Action & Adventure Comedy

Marriage Toxin

Teaser Trailer [Subtitled]

Video: YouTube
Duration: 01:34