MARRIAGETOXIN TV Anime Set for 2026! Haruki Ishiya to Voice Hikaru Gero, Shion Wakayama Cast as Mei Kinosaki, Teaser Visual & PV Unveiled

The TV anime adaptation of MARRIAGETOXIN has been officially decided for 2026, with a teaser visual and teaser PV now released. Haruki Ishiya will play the role of Hikaru Gero, and Shion Wakayama will voice Mei Kinosaki. To commemorate the anime adaptation, comments and visuals from the cast and production team have also been revealed.

This work is based on the ongoing manga MARRIAGETOXIN, written by Joumyaku and illustrated by Mizuki Yoda, currently serialized in Shonen Jump+ (Shueisha). The story follows Hikaru Gero, a young man from the legendary assassin clan known as “Poison Users,” who, in order to prevent the extinction of his family line, teams up with a marriage swindler named Mei Kinosaki to find the ultimate marriage partner, launching a world’s toughest marriage-hunting battle action series.

Teaser PV