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Series · #301944
Marriage Toxin

Marriage Toxin

★ 7.4202624 minTV-14
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Synopsis

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!

Episodes

Episode 1

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.

2026-04-07 · 24 min
Episode 2

What Is "Charm," Anyway?

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

2026-04-14 · 24 min
Episode 3

My First

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

2026-04-21 · 24 min
Episode 4

The Sound Master

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

2026-04-28 · 24 min
Episode 5

Lord Chladni

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

2026-05-05 · 24 min
Episode 6

Together with Me

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

2026-05-12 · 24 min
Episode 7

The Bug Master's Wedding

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

2026-05-19 · 24 min
Episode 8

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.

2026-05-26 · 24 min
Episode 9

The Animal Kingdom

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

2026-06-02 · 24 min
Episode 10

Good-for-Nothing

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

2026-06-09 · 24 min
Episode 11

Offering

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

2026-06-16 · 24 min
Episode 12

Heart and Soul

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

2026-06-23 · 24 min
Episode 13

Thanks, Man

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

2026-06-30 · 24 min
[01]

Cast

Haruki IshiyaHaruki IshiyaHikaru Gero (voice)
Shion WakayamaShion WakayamaMei Kinosaki (voice)
Anna NagaseAnna NagaseKyoko Himekawa (voice)
Mariya IseMariya IseShizuku Ushio (voice)
Asaki YuikawaAsaki YuikawaShiori Ureshino (voice)
Soma SaitoSoma SaitoGenya Naruko (voice)
Hinano ShirahamaHinano ShirahamaKimie Arashiyama (voice)
Shimba TsuchiyaShimba TsuchiyaPiichi Nakagawa (voice)
Haruka ShiraishiHaruka ShiraishiAkari Gero (voice)
Isamu YusenIsamu YusenToshiki Hanamaki (voice)
[01]

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