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!
First Aired
2026-04-07
Status
Returning Series
Network
Fuji TV
Seasons
Season 1 Episodes
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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.
★ 7.0
E2. What Is "Charm," Anyway?
Kinosaki takes Gero to practice dating in a floating art museum that becomes the scene of a heist.
★ 7.0
E3. My First
Gero fights a Water Master to rescue Himekawa, but his real challenge is taking her on a date afterward.
★ 7.4
E4. The Sound Master
Gero goes undercover as a student to guard a corporate heiress, but he isn't the only Master on campus.
★ 6.5
E5. Lord Chladni
A test of courage seems like a romantic opportunity, but it turns out to be a deadly trap.
★ 6.2
E6. Together with Me
Panicked students try to sacrifice Ureshino, and stopping Naruko is the only way to make them see reason.
★ 6.5
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)
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