Marriagetoxin

Description

Poison Master Hikaru Gero is about to take on his most challenging assignment yet—getting married! But after training his entire life to become one of the world’s deadliest assassins, Gero couldn’t be more clueless when it comes to the art of dating. Thankfully, marriage swindler Mei Kinosaki knows everything there is to know about love, and together, this unlikely pair is going to do whatever it takes to get Gero hitched—even if they have to take on the entire criminal underworld in the process! (Source: Viz)

Official English: MANGA Plus | Viz (Shonen Jump)

Type

Manga

Related Series

N/A

Associated Names

Marriage Toxin

วิวาห์แต้มพิษ (SIC)

マリッジトキシン

매리지 톡신

Groups Scanlating

MANGA Plus

Latest Release(s)

c.132 by MANGA Plus 1 day ago

c.131.5 by MANGA Plus 1 week ago

c.131 by MANGA Plus 2 weeks ago

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Status in Country of Origin

13 Volumes (Ongoing)

Completely Scanlated?

Anime Start/End Chapter

N/A

User Reviews

N/A

Forum

0 topics, 0 posts

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User Rating

Average: 7.2 / 10.0 (107 votes)

Bayesian Average: 7 / 10.0

14%

16%

24%

16%

Last Updated

May 22nd, 2025 3:13pm PDT - 1 month ago

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Genre

Action Comedy Drama Romance Shounen Supernatural
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Categories

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Category Recommendations

Fukakai na Boku no Subete o

Nananen-buri ni Au Otouto ga Henbou Shiteta

Ore wa Dansou Joshi Janai!

Nonoko-san no Kanojo-kun ♂

Kyouai Danshi ni Torawarete

Recommendations

N/A

Author(s)

Joumyakun

Artist(s)

YODA Mizuki

Year

2022

Original Publisher

Shueisha

Serialized In (magazine)

Shounen Jump + (Shueisha)

Licensed (in English)

Yes

English Publisher

Manga Plus (Simulpub)

Viz (4 Volumes - Ongoing)

Activity Stats (vs. other series)

Weekly Pos #585

(-124)

Monthly Pos #1112

(+28)

3 Month Pos #1343

(+78)

6 Month Pos #1424

(-99)

Year Pos #1482

(+113)

List Stats

On 559 reading lists

On 225 wish lists

On 12 completed lists

On 33 unfinished lists

On 135 custom lists

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Forum Posts Click to view the forum

User Comments [ Order by time added ]

genuinely impressive

by Suxinn
3 years ago

Rating: 9.0 / 10.0

OK, so there's only 24 chapters out right now, and I don't usually review series this early, but this one is genuinely impressive, and surprisingly progressive and thoughtful in ways I didn't expect, especially for a Jump+ manga. I don't think I've ever been this excited for a Jump+ series since Jigokuraku.

And this manga certainly comes swinging right out of the gate. It starts a bit scattered, with the premise of a "team-up between a hitman and a marriage swindler" looking like prime, if a bit predictable, romcom action fare, but this series is earnest as all hell. Any other series would have the swindler's sob story revealed to be a hoax, but here the story plays it completely straight -- they really are doing it to earn money for their brother's surgery. Any other series would have played the marriage swindler Kinosaki's propensity for crossdressing as a joke or a point of contention, but other than the initial surprise, the protagonist Gero simply accepts this as a fact, and the story moves on.

For a series about a hitman looking for a marriage partner in order to save his lesbian sister from a loveless marriage, Marriagetoxin is astoundingly good-natured and serious about having its main character build honest, open relationships with other people, whether romantic or otherwise. While Kinosaki proposes putting his skills to use as a bodyguard or hostage rescuer in order to get more girls, the story does a surprising amount to humanize the women he meets, including making them instrumental to their own rescues. And despite Gero clearly looking for a romantic relationship, he treats these women as their own people, always putting their needs first, and actually tries to become friends with them first and foremost.

Seriously, don't be fooled by its premise -- this is just an overall really refreshing and kind series about connecting with other people in the guise of a romcom battle shounen. I sincerely hope that it's doing well in the rankings, since I definitely don't want this series to end anytime soon.

... Last updated 3 years ago

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Fun and action packed series

by Anime_axe
3 years ago

Rating: 9.0 / 10.0

It's the story about the mutant assassin and his femboy wingman cruising for the honey. What is there not to like?

Update: So far all of the girls introduced are on point. Just as crazy and colorful as the main duo.

... Last updated 2 years ago

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Super-Powered Assassin Action + Rom-com, very fun read.

by elvura13
3 years ago

Rating: N/A

And no, it's not a BL. Well, not yet atleast, don't know if they'll go that route. Anime_axe describes it really well.

... Last updated 3 years ago

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152 chapters n only the guy debut in 29' design is a bit cool, others include MC are garbage

by Akira Ryuji
3 months ago

Rating: 1.0 / 10.0

In new chapters a beautiful girl is in love with a ugly big guy, so original!

... Last updated 3 months ago

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Great manga, but during chapter 30 or so, i started to hate something that was introduced

by MLGSwag
3 years ago

Rating: 8.5 / 10.0

This is phenomenal manga, the first 30 chapters are great, however

why the fuck did they feel to need to introduce the mutant guy, there was no real reaspn for him to even be here on the manga, during his fight with mc, it was not even a fight as the mc got his ass handed to him. I really hate that, because if the mc is a part of the big 5 families and has been doing assasin worm for so long, i thought he would be able to inflict more damage or such. I really hated that new male character and i hated the arc on the island. The island arc was way too fucking long than all the other arcs. And the villian was not at all i teresting. Both the villian and the mutant dude were the most blandest characters i have seen in this manga

Long story short, if you hate bland character types, as soon as you reach a secrion where a man is introduced, skip to 47, because that man and the arc that follows after are imo the worst part of the manga atm.

... Last updated 2 years ago

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regarding genres

by ARIZONO
3 years ago

Rating: N/A

Is it a BL?

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