Marriage Toxin: Season 1
Episode Guide
Season 1 Progress Shield
The Poison Master's Search for a Bride
Apr 7, 2026 · 24 min
An assassin must marry to appease his clan and save his sister. Small problem: He doesn't know how to date.
What Is "Charm," Anyway?
Apr 14, 2026 · 24 min
Kinosaki takes Gero to practice dating in a floating art museum that becomes the scene of a heist.
My First
Apr 21, 2026 · 24 min
Gero fights a Water Master to rescue Himekawa, but his real challenge is taking her on a date afterward.
The Sound Master
Apr 28, 2026 · 24 min
Gero goes undercover as a student to guard a corporate heiress, but he isn't the only Master on campus.
Lord Chladni
May 5, 2026 · 24 min
A test of courage seems like a romantic opportunity, but it turns out to be a deadly trap.
Together with Me
May 12, 2026 · 24 min
Panicked students try to sacrifice Ureshino, and stopping Naruko is the only way to make them see reason.
The Bug Master's Wedding
May 19, 2026 · 24 min
Gero goes to see his friend get married, only to run into some particularly unwelcome wedding crashers.
The Hitman Hunter
May 26, 2026 · 24 min
Gero takes a job to protect a fellow Master from a man who can go toe-to-toe with the expert assassins.
The Animal Kingdom
Jun 2, 2026 · 24 min
To save Arashiyama, Gero and friends storm into the Beast Clan's home ground.
Good-for-Nothing
Jun 9, 2026 · 24 min
Gero and Arashiyama start to bond, but a run-in with their biggest enemy ruins the mood.
Offering
Jun 16, 2026 · 24 min
Kinosaki and Piichi sneak into a Beast Clan lab and witness bizarre experiments with blood.
Heart and Soul
Jun 23, 2026 · 24 min
To stand a chance against the Beast Master, Gero must get in touch with the essence of his Poison Blood.
Thanks, Man
Jun 30, 2026 · 24 min
Arashiyama throws a party to thank Gero, and Kinosaki sets out to make sure it takes a romantic turn.