How many seasons does Marriage Toxin have?

Marriage Toxin has 1 season and 13 episodes.

Is Marriage Toxin renewed or canceled?

Marriage Toxin is currently returning. A premiere date has not been announced yet.

Where can I watch Marriage Toxin?

Marriage Toxin is available on Fuji TV. You can stream it on Crunchyroll, Crunchyroll Amazon Channel, YouTube TV.

Marriage Toxin

Name: Marriage Toxin
Genre: Animation, Action & Adventure, Comedy
Released: 2026-04-07
Rating: 7.9
Cast: Haruki Ishiya, Shion Wakayama, Anna Nagase, Mariya Ise, Asaki Yuikawa

RETURNING1 Seasons13 Episodes★ 7.9

NetworkFuji TV

First AiredApr 7, 2026

Last AiredJun 30, 2026

GenreAnimation, Action & Adventure, Comedy

Runtime24 min

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!

RENEWED

Marriage Toxin has been renewed but a premiere date has not been announced yet. Track this show to get an alert when a date is confirmed.

WHERE TO WATCH

Crunchyroll

Crunchyroll Amazon Channel

YouTube TV

Amazon VideoBUY

Apple TV StoreBUY

Data via JustWatch / TMDB

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)

Seasons & Episodes1 season · 13 episodes

0% complete

E1The Poison Master's Search for a Bride

Apr 7, 202624m★ 7.2

An assassin must marry to appease his clan and save his sister. Small problem: He doesn't know how to date.

E2What Is "Charm," Anyway?

Apr 14, 202624m★ 7.0

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

E3My First

Apr 21, 202624m★ 7.4

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

E4The Sound Master

Apr 28, 202624m★ 6.6

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

E5Lord Chladni

May 5, 202624m★ 6.6

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

E6Together with Me

May 12, 202624m★ 6.5

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

E7The Bug Master's Wedding

May 19, 202624m★ 7.7

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

E8The Hitman Hunter

May 26, 202624m★ 7.5

Gero takes a job to protect a fellow Master from a man who can go toe-to-toe with the expert assassins.

E9The Animal Kingdom

Jun 2, 202624m★ 7.0

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

E10Good-for-Nothing

Jun 9, 202624m★ 7.0

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

E11Offering

Jun 16, 202624m★ 6.2

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

E12Heart and Soul

Jun 23, 202624m★ 6.0

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

E13Thanks, Man

Jun 30, 202624m

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

About Marriage Toxin

Marriage Toxin is a animation, action & adventure, comedy series on Fuji TV. The show first aired on Apr 7, 2026 and currently has 1 season and 13 episodes. Marriage Toxin has been renewed and is returning for more episodes. It has a rating of 7.9/10 based on 30 votes. The cast includes Haruki Ishiya, Shion Wakayama, Anna Nagase, Mariya Ise, Asaki Yuikawa.