In the mood to watch Marriage Toxin on your favorite streaming device? Marriage Toxin is currently available to stream via subscription, rental, or purchase on in the US.
Here are a few essential notes about the TV Kumamoto series. Originally premiering April 7th, 2026, "Marriage Toxin" stars Haruki Ishiya, Shion Wakayama, Anna Nagase, Mariya Ise. The show spans 1 season(s) and currently holds a 0/100 rating on TMDb, which reflects reviews from 0 community users.
Need a quick overview of the show? Here’s the plot: "As a deadly assassin from the poison clan, Gero swears he'll never settle down—that is, until the family orders his sister to produce the poison clan's next heir. Refusing to let his sister abandon her chance at true love with her girlfriend, Gero desperately turns to marriage swindler Mei Kinosaki for relationship advice. Can Kinosaki turn this trained killer into a charming husband-to-be?"
