Marriage Toxin

📊 Series Specifications

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 Runtime ~24 min
Total Seasons 2
Total Episodes 13
Original Language JA

Marriage Toxin (2026)

⭐ 3.7 / 5 (53 votes) 🎬 2 Seasons 📼 13 Episodes 🏷️ Animation, Action & Adventure, Comedy 📡 Returning Series
⏱️
Series Status:

Currently airing weekly on international broadcast networks.

Returning Series

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!

Seasons & Episodes

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.

E2 What Is "Charm," Anyway?

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

E3 My First

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

E4 The Sound Master

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

E5 Lord Chladni

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

E6 Together with Me

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

E7 The Bug Master's Wedding

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

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.

E9 The Animal Kingdom

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

E10 Good-for-Nothing

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

E11 Offering

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

E12 Heart and Soul

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

E13 Thanks, Man

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

Episodes for this season are available via edge tracking. View Episode 1 →