Playback is currently unavailable for S1 E1 · The Poison Master's Search for a Bride. Episode details remain available below.
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!
- Cast:
- Haruki Ishiya, Shion Wakayama, Anna Nagase, Mariya Ise
- Language:
- Japanese
- Country:
- Japan
- Network:
- Fuji TV, Tokai Television Broadcasting, Kansai TV, Fukui TV, Hokkaido Cultural Broadcasting, Iwate Menkoi Television, Sendai Television, SAGA TV, Ishikawa TV, TNC, OHK, Kochi Sun Sun Broadcasting, Television Shin Hiroshima System, TV Shizuoka, NST, NBS, Sakuranbo TV, TSK, Ehime Broadcasting, KTS, Fukushima TV, AKT, Toyama Television, TV Kumamoto, Okinawa Television Broadcasting, KTN
Episode guide
Seasons
Season 1
Episodes
E01
Episode 1
★ 7.0The Poison Master's Search for a Bride
2026-04-07 · 24mAn assassin must marry to appease his clan and save his sister. Small problem: He doesn't know how to date.
Current episode
E02
Episode 2
★ 7.0What Is "Charm," Anyway?
2026-04-14 · 24mKinosaki takes Gero to practice dating in a floating art museum that becomes the scene of a heist.
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E03
Episode 3
★ 7.4My First
2026-04-21 · 24mGero fights a Water Master to rescue Himekawa, but his real challenge is taking her on a date afterward.
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E04
Episode 4
★ 6.5The Sound Master
2026-04-28 · 24mGero goes undercover as a student to guard a corporate heiress, but he isn't the only Master on campus.
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E05
Episode 5
★ 6.2Lord Chladni
2026-05-05 · 24mA test of courage seems like a romantic opportunity, but it turns out to be a deadly trap.
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E06
Episode 6
★ 6.5Together with Me
2026-05-12 · 24mPanicked students try to sacrifice Ureshino, and stopping Naruko is the only way to make them see reason.
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E07
Episode 7
★ 7.7The Bug Master's Wedding
2026-05-19 · 24mGero goes to see his friend get married, only to run into some particularly unwelcome wedding crashers.
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E08
Episode 8
★ 7.5The Hitman Hunter
2026-05-26 · 24mGero takes a job to protect a fellow Master from a man who can go toe-to-toe with the expert assassins.
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E09
Episode 9
★ 7.0The Animal Kingdom
2026-06-02 · 24mTo save Arashiyama, Gero and friends storm into the Beast Clan's home ground.
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E10
Episode 10
★ 7.0Good-for-Nothing
2026-06-09 · 24mGero and Arashiyama start to bond, but a run-in with their biggest enemy ruins the mood.
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E11
Episode 11
★ 6.2Offering
2026-06-16 · 24mKinosaki and Piichi sneak into a Beast Clan lab and witness bizarre experiments with blood.
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E12
Episode 12
★ 6.0Heart and Soul
2026-06-23 · 24mTo stand a chance against the Beast Master, Gero must get in touch with the essence of his Poison Blood.
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E13
Episode 13
★ 7.5Thanks, Man
2026-06-30 · 24mArashiyama throws a party to thank Gero, and Kinosaki sets out to make sure it takes a romantic turn.
Watch progress · Not trackedCast
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)