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Marriagetoxin
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Marriagetoxin
マリッジトキシン

Marriagetoxin

7.6catalogue#18602TV13 episodesFinished Airing
ActionComedy

Marriagetoxin is a 2026 action comedy TV anime by Bones Film, with 13 episodes. Its catalogue rating is 7.6/10 from 50,096 ratings.

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Catalog updated / MyAnimeList
The story

Synopsis

For centuries, the Poison Masters have perfected the art of assassination. Among them, the Gero family stands as one of the five most powerful families of Masters, wielding unmatched skill and influence. Hikaru Gero, heir to this infamous bloodline, has lived his life deep in the shadows of the underworld, far removed from love or marriage.

However, to ensure the Poison Master bloodline does not die out, the head of the Gero family declares that Hikaru's sister will be forced to bear an heir. Soon after, Hikaru crosses paths with Mei Kinosaki, a brilliant marriage swindler who also happens to be his current assassination target. Determined to protect his sister and solve the succession problem himself, Hikaru makes an unexpected request on the spot—asking Mei to help him get married.

"...That's the first time anyone's ever proposed like that."

And so, with the cunning marriage swindler Mei as his advisor, the elite assassin Hikaru sets out on the toughest mission for love. His goal? The ultimate marriage. The most unlikely duo—an assassin and a marriage swindler—take on the world's toughest mission for love!

(Source: Official site)

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These are catalog relationships, not a complete viewing or reading order. Some connected titles may not be in our catalog yet. Relationships from AniList ↗

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Reeling from her recent breakup, Momo Ayase, a popular high schooler, shows kindness to her socially awkward schoolmate, Ken Takakura, by standing up to his bullies. Takakura misunderstands her intentions, believing he has made a new friend who shares his obse

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While the mission to exorcise Jin "Jiji" Enjouji's family home is underway, things are not going as expected. Momo Ayase narrowly evades an attempted abduction while Ken "Okarun" Takakura and Jiji are ambushed by the Kitou family—the unsettling landlords of th

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Movie remake of the Yoshiwara Enjou arc.

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Despite occasional setbacks, Operation Strix has remained on track to extract sensitive information from the enigmatic politician Donovan Desmond. To this end, spy Loid Forger has managed to maintain his pretend family consisting of his telepathic daughter, An

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1. Niwa ni wa Niwa Niwatori ga Ita. (A Couple Clucking Chickens Were Still Kickin' in the Schoolyard) 2. Sasaki-kun ga Juudan Tometa (Sasaki Stopped a Bullet) 3. Koi wa Moumoku (Love Is Blind) 4. Shikaku 5. Ningyo Rhapsody (Mermaid Rhapsody) 6. Me ga Sametara

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The legendary former hitman Tarou Sakamoto has thwarted numerous assassins after an enormous bounty on his head was issued. But he cannot seem to catch a break and simply take it easy with his beloved family. A mysterious and infamous figure known as Slur has

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Ansatsu Kyoushitsu Movie: Minna no Jikan adapts episodes which were omitted in the original anime series.

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