Marriage Toxin

1The Poison Master's Search for a Bride

24 minApr 7, 2026

An assassin must marry to appease his clan and save his sister. Small problem: He doesn't know how to date.

2What Is "Charm," Anyway?

24 minApr 14, 2026

Kinosaki takes Gero to practice dating in a floating art museum that becomes the scene of a heist.

3My First

24 minApr 21, 2026

Gero fights a Water Master to rescue Himekawa, but his real challenge is taking her on a date afterward.

4The Sound Master

24 minApr 28, 2026★ 6.5

Gero goes undercover as a student to guard a corporate heiress, but he isn't the only Master on campus.

5Lord Chladni

24 minMay 5, 2026★ 6.2

A test of courage seems like a romantic opportunity, but it turns out to be a deadly trap.

6Together with Me

24 minMay 12, 2026

Panicked students try to sacrifice Ureshino, and stopping Naruko is the only way to make them see reason.

7The Bug Master's Wedding

24 minMay 19, 2026

Gero goes to see his friend get married, only to run into some particularly unwelcome wedding crashers.

8The Hitman Hunter

24 minMay 26, 2026

Gero takes a job to protect a fellow Master from a man who can go toe-to-toe with the expert assassins.

9The Animal Kingdom

24 minJun 2, 2026

To save Arashiyama, Gero and friends storm into the Beast Clan's home ground.

10Good-for-Nothing

24 minJun 9, 2026

Gero and Arashiyama start to bond, but a run-in with their biggest enemy ruins the mood.

11Offering

24 minJun 16, 2026

Kinosaki and Piichi sneak into a Beast Clan lab and witness bizarre experiments with blood.

12Heart and Soul

24 minJun 23, 2026

To stand a chance against the Beast Master, Gero must get in touch with the essence of his Poison Blood.

13Thanks, Man

24 minJun 30, 2026

Arashiyama throws a party to thank Gero, and Kinosaki sets out to make sure it takes a romantic turn.