Marriage Toxin

2026

Watch on

Marriage Toxin

7.3 | TV-14 | en | Animation

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!

Watch Now

Rent / Buy

Buy from $1.99

Seasons & Episodes

EP1 The Poison Master's Search for a Bride

Apr. 07,2026

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

Watch Now

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

Watch Now

More on Crunchyroll

Watch with 7-day Free Trial

RWBY

Happy Tree Friends

HarmonQuest

Saber Rider and the Star Sheriffs

SAINT SEIYA: Knights of the Zodiac

Robotech

Voltron: Defender of the Universe

Blade Runner: Black Lotus

THE LEVELING OF SOLO LEVELING

Afro Samurai

EP2 What Is "Charm," Anyway?

Apr. 14,2026

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

Watch Now

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

Watch Now

EP3 My First

Apr. 21,2026

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

Watch Now

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

Watch Now

EP4 The Sound Master

Apr. 28,2026

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

Watch Now

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

Watch Now

EP5 Lord Chladni

May. 05,2026

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

Watch Now

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

Watch Now

EP6 Together with Me

May. 12,2026

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

Watch Now

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

Watch Now

EP7 The Bug Master's Wedding

May. 19,2026

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

Watch Now

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

Watch Now

EP8 The Hitman Hunter

May. 26,2026

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

Watch Now

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

Watch Now

EP9 The Animal Kingdom

Jun. 02,2026

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

Watch Now

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

Watch Now

EP10 Good-for-Nothing

Jun. 09,2026

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

Watch Now

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

Watch Now

EP11 Offering

Jun. 16,2026

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

Watch Now

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

Watch Now

EP12 Heart and Soul

Jun. 23,2026

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

Watch Now

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

Watch Now

EP13 Thanks, Man

Jun. 30,2026

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

Watch Now

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

Watch Now

7.3 | TV-14 | en | Animation , Comedy , Action & Adventure | More Info

Released: 2026-04-07 | Released Producted By: dentsu , BONES Country: Budget: 0 Revenue: 0 Official Website: https://www.marriagetoxin-anime.com/

info

Genre

Animation , Comedy , Action & Adventure

Watch Online

Marriage Toxin (2026) is now streaming with subscription on Crunchyroll

Cast

Haruki Ishiya , Shion Wakayama , Anna Nagase

Director

Toshiki Amata

Producted By

dentsu , BONES

Marriage Toxin Videos and Images

View All

Top Credited Cast
|
Crew

Haruki Ishiya

as Hikaru Gero (voice)

HYPNOSISMIC -Division Rap Battle- Interactive Movie Red River Thunder 3 The Seven Knights of the Marronnier Kingdom Pardon the Intrusion, I'm Home! Even Though I'm a Super Timid Noble Girl, I Accepted the Bet from My Cunning Fiancé Marriage Toxin The World Is Dancing I Made Friends with the Second Prettiest Girl in My Class Sound! Euphonium: The Final Movie, Part 1

Shion Wakayama

as Mei Kinosaki (voice)

Cyborg 009 Nemesis The Frontier Lord Begins with Zero Subjects Easygoing Territory Defense by the Optimistic Lord A Tale of the Secret Saint Killed Again, Mr. Detective. The Exiled Heavy Knight Knows How to Game the System Marriage Toxin Kirio Fan Club Victoria of Many Faces Puella Magi Madoka Magica the Movie -Walpurgisnacht: Rising-

Anna Nagase

as Kyoko Himekawa (voice)

MOBILE SUIT GUNDAM HATHAWAY The Sorcery of Nymph Circe Akane-banashi Reborn as a Space Mercenary: I Woke Up Piloting the Strongest Starship! SHIBOYUGI: Playing Death Games to Put Food on the Table - 44: CLOUDY BEACH Cosmic Princess Kaguya! NEEDY GIRL OVERDOSE The Ramparts of Ice Marriage Toxin Milky☆Subway: The Galactic Limited Express - the Movie To You in the Beyond

Toshiki Amata

Art Designer

Ayumi Nagaki

Prop Designer

Ryo Hirata

Prop Designer

Tsuyoshi Kanbayashi

Director of Photography

Kotono

Costume Design

Motonobu Hori

Series Director

Kumiko Sakamoto

Editor

Shunsuke Matsuda

Executive Producer

Hayato Saga

Executive Producer

Takuya Kanaya

Executive Producer

Hiroyuki Kikukawa

Executive Producer

Yoshihiro Oyabu

Executive Producer

Ryo Fukuhara

Producer

Yukari Tachibana

Producer

Tatsuya Saito

Producer

Taisei Iwasaki

Original Music Composer

Yuma Yamaguchi

Original Music Composer

Haru Yamada

Sound Director

Tomokazu Mii

Sound Effects

Yurina Hirate

Theme Song Performance

Marriage Toxin Audience Reviews

Helloturia I have absolutely never seen anything like this movie before. You have to see this movie.

KnotStronger This is a must-see and one of the best documentaries - and films - of this year.

Lela The tone of this movie is interesting -- the stakes are both dramatic and high, but it's balanced with a lot of fun, tongue and cheek dialogue.

Kinley This movie feels like it was made purely to piss off people who want good shows

If You Like Marriage Toxin

Broad City

2014 8.4

Broad City