Does Marriage Toxin leave you hopeful?

Yes. More hopeful than 81% of well-known series. This describes how the series comes across across its whole run, measured against other well-known series; it is not a content list.

Is Marriage Toxin sad?

Barely. Less sad than 75% of well-known series. This describes how the series comes across across its whole run, measured against other well-known series; it is not a content list.

Is Marriage Toxin scary?

Not especially. Less frightening than 59% of well-known series. This describes how the series comes across across its whole run, measured against other well-known series; it is not a content list.

Is Marriage Toxin violent?

About average. Almost exactly mid-range for a well-known series. This describes how the series comes across across its whole run, measured against other well-known series; it is not a content list.

Marriage Toxin

Name: Marriage Toxin
Genre: Animation, Action & Adventure, Comedy
Released: 2026
Rating: 7.5
Cast: Haruki Ishiya, Shion Wakayama, Anna Nagase, Mariya Ise, Asaki Yuikawa

On Fuji TV, Tokai Television Broadcasting

2026–2 seasons13 episodes24 min7.5 / 10

A romantic comedy-action anime that pairs assassin-world intrigue with a lighthearted marriage-of-convenience premise, grounded in character connection and playful genre subversion.

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!

Clusters

Harem Hijinks, No Real Stakes

Genres

Animation Action & Adventure Comedy

Keywords

Assassin Romance Based On Manga Lgbt Shounen Anime Lesbian Genderqueer

Where to watch

StreamCrunchyroll
BuyApple TV Store, Amazon Video, Fandango At Home

Questions people ask

Does Marriage Toxin leave you hopeful? Yes. More hopeful than 81% of series.
Is Marriage Toxin easy watching? Yes. More comforting than 79% of series.
Is Marriage Toxin sad? Barely. Less sad than 75% of series.
Is Marriage Toxin scary? Not especially. Less frightening than 59% of series.
Is Marriage Toxin violent? About average. Almost exactly mid-range.

These describe how the series comes across across its whole run, compared with other well-known series. They are not a content list — nothing here was counted or checked episode by episode, so for age-suitability or specific content use a classification board or a dedicated content-warning service.

33/ 100