

For centuries, the deadly arts have been perfected by Masters, and Five Great Families hold the greatest power and influence. Hikaru Gero, an heir to the Gero family,…
TV-14 • Animation, Action & Adventure • Series • 2026 • 2 seasons
Starring: Haruki Ishiya, Shion Wakayama, Anna Nagase

S1 E1 - The Poison Master's Search for a Bride
An assassin must marry to appease his clan and save his sister. Small problem: He doesn't know how to date.
Apr 7, 2026 • 24m

S1 E2 - What Is "Charm," Anyway?
Kinosaki takes Gero to practice dating in a floating art museum that becomes the scene of a heist.
Apr 14, 2026 • 24m

S1 E3 - My First
Gero fights a Water Master to rescue Himekawa, but his real challenge is taking her on a date afterward.
Apr 21, 2026 • 24m

S1 E4 - The Sound Master
Gero goes undercover as a student to guard a corporate heiress, but he isn't the only Master on campus.
Apr 28, 2026 • 24m

S1 E5 - Lord Chladni
A test of courage seems like a romantic opportunity, but it turns out to be a deadly trap.
May 5, 2026 • 24m

S1 E6 - Together with Me
Panicked students try to sacrifice Ureshino, and stopping Naruko is the only way to make them see reason.
May 12, 2026 • 24m

S1 E7 - The Bug Master's Wedding
Gero goes to see his friend get married, only to run into some particularly unwelcome wedding crashers.
May 19, 2026 • 24m

S1 E8 - The Hitman Hunter
Gero takes a job to protect a fellow Master from a man who can go toe-to-toe with the expert assassins.
May 26, 2026 • 24m

S1 E9 - The Animal Kingdom
To save Arashiyama, Gero and friends storm into the Beast Clan's home ground.
Jun 2, 2026 • 24m

S1 E10 - Good-for-Nothing
Gero and Arashiyama start to bond, but a run-in with their biggest enemy ruins the mood.
Jun 9, 2026 • 24m

S1 E11 - Offering
Kinosaki and Piichi sneak into a Beast Clan lab and witness bizarre experiments with blood.
Jun 16, 2026 • 24m

S1 E12 - Heart and Soul
To stand a chance against the Beast Master, Gero must get in touch with the essence of his Poison Blood.
Jun 23, 2026 • 24m

S1 E13 - Thanks, Man
Arashiyama throws a party to thank Gero, and Kinosaki sets out to make sure it takes a romantic turn.
Jun 30, 2026 • 24m
Marriage Toxin
For centuries, the deadly arts have been perfected by Masters, and Five Great Families hold the greatest power and influence. Hikaru Gero, an heir to the Gero family, lives in the underworld as an elite assassin. When his sister is pressured to produce an heir, Hikaru asks Mei Kinosaki, a brilliant marriage swindler, to find him a bride. The most challenging mission of his life begins!
TV-14 • Animation, Action & Adventure • TV Series • 2026
