Volume 19, the latest installment of the wildly popular manga *Marriage Toxin* by Mizuki Yoda and Shizumizu—currently serialized in *Shonen Jump+* (Shueisha)—will go on sale on October 2, 2026.
[Update] September 28, 2026: Information on Volume 19 of “Marriage Toxin” has been added.
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Mizuki Yoda & Seimatsu: “Marriage Toxin” Latest Volume 19 Synopsis
The deadly battle between Gero and Jūshichi—comes to a conclusion!!
Will Gero’s new “Toxin,” born from his encounter with the very essence of “murderous intent,” reach Jūshichi…!?
Meanwhile, deep beneath the “Sanctuary,” Jukuro harnesses the power of the White Fox, unleashing the true Beast of Compound—the “Hundred Tigers.”
Jushiro stands in her way to stop her rampage, now that she has fully fused with countless beasts—but…
© Mizuki Yoda & Seimitsu / Shueisha
Mizuki Yoda & Seimitsu: “Marriage Toxin”—When Is Volume 19 Coming Out?
Volume 19 of “Marriage Toxin”—the world’s toughest marriage-hunting battle action manga, whose second TV anime season is scheduled to air starting in January 2027—will be released on Friday, October 2, 2026!
Gracing the cover is the dynamic duo of “Kimié Arashiyama” and “Shizuku Ushio,” currently making waves in *Sanctuary*!
#マリッジトキシン コミックス第19巻は10月2日(金)発売！
カバーを飾るのは『聖獄(サンクチュアリ)』で大活躍中の
嵐山キミ恵と潮 雫のコンビです!!🐹💧下呂ヒカル💉と道後十七子🐺
五大名家同士の戦いの行方は――。ぜひお買い求めください📖#ジャンププラス pic.twitter.com/GlC7Clxc3n
— マリッジトキシン【公式】 (@marritoxi_PR) September 20, 2026
Mizuki Yoda & Seimatsu: “Marriage Toxin” Previous Volume 18 Synopsis (Recap)
Synopsis of the Previous Volume (Details on the Previous Volume, Vol. 18)
Gero faces off against Jūshiko Dogo, the head of the “Beast Tamer” clan.
Gero, determined to follow Jūshiko’s lead and get engaged to keep his marriage prospects and Kinosaki out of danger, is confronted by Kinosaki, who pours out his feelings.
Meanwhile, what fate awaits Jūshirō as he races through the prison with the white fox in tow…?
The battle in “Holy Prison,” where everyone’s resolve and feelings collide, reaches its climax──!!
© Mizuki Yoda & Seimetsu / Shueisha
Introduction to “Marriage Toxin” by Mizuki Yoda and Seimatsu
Gero is a young man from a centuries-old line of assassins known as the “Poison Users.”
Living a life of underworld work and uncomfortable around women, marriage was something he should avoid at all costs.
However, to ensure the “Poison Users” bloodline does not die out, his family informs his younger sister that she must bear an heir—or face forced marriage.
Just then, Gero encounters Kinosaki, a marriage scammer who had been his target…!?
“—That’s the first time I’ve heard a proposal like that.” The hitman’s search for a spouse—with a marriage scammer as his advisor—begins!
The goal is the perfect marriage… The world’s toughest matchmaking battle action!!
© Mizuki Yoda & Seimatsu / Shueisha
Mizuki Yoda & Seimatsu’s “Marriage Toxin” Latest Volume 19 on Sale Friday, October 2!
© Mizuki Yoda & Seimitsu / Shueisha
| Where to Buy | [Amazon]Product Page [Animate] Product Page |
|---|---|
| Buy the Complete Series | [Amazon]Kindle E-book Bundle |
| Release Date | October 2, 2026 |
| Author | Mizuki Yoda / Seimatsu |
| Price | 616 yen (tax included) |
| ISBN | 978-4-08-885232-4 |
| Information on the Previous Volume | Details on “Marriage Toxin” Volume 18 |
| Related Links | Official Website for the TV Anime “Marriage Toxin” |
“Marriage Toxin” Manga Product Information
人気作品のキャラクターグッズ Anime Store.JP (アニスト) にて取扱中！
『#マリッジトキシン』第180話は本日配信✨
嬉野の幻覚の世界へ入りこんだ氷見！
氷見の魂(ソウル)は彼女に届くのか…!?最新話はこちら↓をチェック✨https://t.co/OI3VD0HEoh
— マリッジトキシン【公式】 (@marritoxi_PR) September 23, 2026
Please check the official website for details.
*Please note that the information in this article may be out of date. We apologize for the inconvenience, but please check the official website for the latest information.
© Mizuki Yoda & Shizuka / Shueisha
