TV / Spring 2026
Marriagetoxin
The story
Synopsis
Hikaru Gero is the heir of a notorious clan of poison specialists, trained for a life in the shadows and bound by strict family expectations. When a succession crisis threatens his sister's future, he unexpectedly recruits Mei Kinosaki, a clever marriage con artist who was supposed to be his next target. Together they form an uneasy partnership that blends…
Characters
Meet the featured characters and Japanese voice actors tied to Marriagetoxin before opening the full characters page.
Kinosaki, Mei
Main | Japanese VA: Wakayama, Shion
Arashiyama, Kimie
Supporting | Japanese VA: Shirahama, Hinano
Gero, Hikaru
Main | Japanese VA: Ishiya, Haruki
Himekawa, Kyouko
Supporting | Japanese VA: Nagase, Anna
Ureshino, Shiori
Supporting | Japanese VA: Yuikawa, Asaki
Nakagawa, Piichi
Supporting | Japanese VA: Tsuchiya, Simba
Relations
Browse the key sequel, prequel, and side-story entries linked to Marriagetoxin before opening the full watch-order flow.
Marriagetoxin 2nd Season
Sequel | 2027
Staff
Meet the people behind Marriagetoxin.
Hori, Motonobu
Director
Joumyaku
Original Creator
Ueno, Kimiko
Script, Series Composition
Fukuhara, Ryou
Producer
Ikeda, Narumi
Producer
Matsumoto, Yuri
Producer
Latest Episodes
Recent episodes from Marriagetoxin.
Episode 12: Heart and Soul
Aired Jun 23, 2026
Episode 11: Offering
Aired Jun 16, 2026
Episode 10: Good-for-Nothing
Aired Jun 9, 2026
Episode 9: The Animal Kingdom
Aired Jun 2, 2026
Episode 8: The Hit Man Hunter
Aired May 26, 2026
Episode 7: The Bug Master's Wedding
Aired May 19, 2026