Anime Overview
Marriagetoxin
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.
Mei Kinosaki
Main | Japanese VA: Wakayama, Shion
Hikaru Gero
Main | Japanese VA: Ishiya, Haruki
Kimie Arashiyama
Supporting | Japanese VA: Shirahama, Hinano
Kyouko Himekawa
Supporting | Japanese VA: Nagase, Anna
Shiori Ureshino
Supporting | Japanese VA: Yuikawa, Asaki
Genya Naruko
Supporting | Japanese VA: Saitou, Souma
Staff
See the featured production staff credits for Marriagetoxin before the interactive staff page loads.
Hori, Motonobu
Director
Joumyaku
Original Creator
Ueno, Kimiko
Script, Series Composition
Fukuhara, Ryou
Producer
Ikeda, Narumi
Producer
Matsumoto, Yuri
Producer
Latest Episodes
A quick static snapshot of recent tracked episodes for Marriagetoxin before the interactive guide loads.
Episode 5: Lord Chladni
Aired May 5, 2026
Episode 4: The Sound Master
Aired Apr 28, 2026
Episode 3: My First
Aired Apr 21, 2026
More Guide Pages
Open the deeper episode, cast, staff, and franchise guide pages tied to this overview.
Marriagetoxin episode guide
5 tracked episodes
Marriagetoxin characters
6 featured characters
Marriagetoxin staff
6 featured staff credits