Marriage Toxin — Season 1
Episodes
E01 The Poison Master's Search for a Bride
★ 7.0Apr 7, 2026 · 24m
An assassin must marry to appease his clan and save his sister. Small problem: He doesn't know how to date.
E02 What Is "Charm," Anyway?
★ 7.0Apr 14, 2026 · 24m
Kinosaki takes Gero to practice dating in a floating art museum that becomes the scene of a heist.
E03 My First
★ 7.4Apr 21, 2026 · 24m
Gero fights a Water Master to rescue Himekawa, but his real challenge is taking her on a date afterward.
E04 The Sound Master
★ 6.5Apr 28, 2026 · 24m
Gero goes undercover as a student to guard a corporate heiress, but he isn't the only Master on campus.
E05 Lord Chladni
★ 6.3May 5, 2026 · 24m
A test of courage seems like a romantic opportunity, but it turns out to be a deadly trap.
E06 Together with Me
★ 6.5May 12, 2026 · 24m
Panicked students try to sacrifice Ureshino, and stopping Naruko is the only way to make them see reason.
E07 The Bug Master's Wedding
★ 7.7May 19, 2026 · 24m
Gero goes to see his friend get married, only to run into some particularly unwelcome wedding crashers.
E08 The Hitman Hunter
★ 7.5May 26, 2026 · 24m
Gero takes a job to protect a fellow Master from a man who can go toe-to-toe with the expert assassins.
E09 The Animal Kingdom
★ 7.0Jun 2, 2026 · 24m
To save Arashiyama, Gero and friends storm into the Beast Clan's home ground.
E10 Good-for-Nothing
★ 7.0Jun 9, 2026 · 24m
Gero and Arashiyama start to bond, but a run-in with their biggest enemy ruins the mood.
E11 Offering
★ 6.2Jun 16, 2026 · 24m
Kinosaki and Piichi sneak into a Beast Clan lab and witness bizarre experiments with blood.
E12 Heart and Soul
★ 6.0Jun 23, 2026 · 24m
To stand a chance against the Beast Master, Gero must get in touch with the essence of his Poison Blood.
E13 Thanks, Man
★ 7.5Jun 30, 2026 · 24m
Arashiyama throws a party to thank Gero, and Kinosaki sets out to make sure it takes a romantic turn.