TV series

Marriage Toxin

2026 · 2 seasons

A playful, slightly dark anime romp that mixes assassin intrigue with matchmaking comedy and keeps you amused and curious.

Overview: 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!
How it feels: Light, absurd, dark and romantic. Brisk and needs your attention.
About: Love, family, identity, crime
Content: Mild violence, gore, sexual content and language.
Note: Written by AI, so it can be wrong. Full breakdown

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Written by AI. It can be wrong.

Full breakdown

Tone: lightstrength 2 of 3
absurdstrength 2 of 3
darkstrength 1 of 3
romanticstrength 1 of 3
Pacing: brisk, 3 of 4, from slow-burn to relentless
Attention: engaged, 3 of 4, from background-friendly to demanding
Themes: love
family
identity
crime
loyalty
Places: big city
Era: contemporary
Audience: teen
Form: serialised
animated
Content intensity: Gore mild
Language mild
Violence mild
Sex mild

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Genres: animation, action & adventure, comedy
Created by: Motonobu Hori, Naomi Mikamiyama, Yuka Hashimoto
Written by: Kimiko Ueno
Starring: Haruki Ishiya, Shion Wakayama, Anna Nagase, Mariya Ise, Asaki Yuikawa, Soma Saito, Hinano Shirahama, Shimba Tsuchiya
Music: Taisei Iwasaki, Yuma Yamaguchi
Cinematography: Tsuyoshi Kanbayashi
Length: 2 seasons, 13 episodes, 24 min each
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
Country: Japan
Languages: Japanese