Marriage Toxin
2026 · 1 season · 13 episodes · Action & Adventure, Animation, Comedy
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!
Seasons
1 season · 13 episodes- 1
The Poison Master's Search for a Bride
7 Apr 2026 24m
An assassin must marry to appease his clan and save his sister. Small problem: He doesn't know how to date.
- 2
What Is "Charm," Anyway?
14 Apr 2026 24m
Kinosaki takes Gero to practice dating in a floating art museum that becomes the scene of a heist.
- 3
My First
21 Apr 2026 24m
Gero fights a Water Master to rescue Himekawa, but his real challenge is taking her on a date afterward.
- 4
The Sound Master
28 Apr 2026 24m
Gero goes undercover as a student to guard a corporate heiress, but he isn't the only Master on campus.
- 5
Lord Chladni
5 May 2026 24m
A test of courage seems like a romantic opportunity, but it turns out to be a deadly trap.
- 6
Together with Me
12 May 2026 24m
Panicked students try to sacrifice Ureshino, and stopping Naruko is the only way to make them see reason.
- 7
The Bug Master's Wedding
19 May 2026 24m
Gero goes to see his friend get married, only to run into some particularly unwelcome wedding crashers.
- 8
The Hitman Hunter
26 May 2026 24m
Gero takes a job to protect a fellow Master from a man who can go toe-to-toe with the expert assassins.
- 9
The Animal Kingdom
2 Jun 2026 24m
To save Arashiyama, Gero and friends storm into the Beast Clan's home ground.
- 10
Good-for-Nothing
9 Jun 2026 24m
Gero and Arashiyama start to bond, but a run-in with their biggest enemy ruins the mood.
- 11
Offering
16 Jun 2026 24m
Kinosaki and Piichi sneak into a Beast Clan lab and witness bizarre experiments with blood.
- 12
Heart and Soul
23 Jun 2026 24m
To stand a chance against the Beast Master, Gero must get in touch with the essence of his Poison Blood.
- 13
Thanks, Man
30 Jun 2026 24m
Arashiyama throws a party to thank Gero, and Kinosaki sets out to make sure it takes a romantic turn.
Cast
Haruki Ishiya Hikaru Gero (voice)
Shion Wakayama Mei Kinosaki (voice)
Anna Nagase Kyoko Himekawa (voice)
Mariya Ise Shizuku Ushio (voice)
Asaki Yuikawa Shiori Ureshino (voice)
Soma Saito Genya Naruko (voice)
Hinano Shirahama Kimie Arashiyama (voice)
Shimba Tsuchiya Piichi Nakagawa (voice)
Haruka Shiraishi Akari Gero (voice)
Isamu Yusen Toshiki Hanamaki (voice)Reviews 0
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