Marriage Toxin stands as one of the most successful titles on the Shonen Jump+ platform. The story follows Gero, a high-ranking specialist from a clan of poison users with a 100-year history. Since he has spent his life killing, he has zero experience with women. When his clan threatens to force his sister into a political marriage to produce an heir, Gero decides to find a wife himself. His unlikely partner? Kimei, a professional marriage swindler he was supposed to kill, who now acts as his "dating coach" in exchange for her life.

Publication & Availability Details (May 2026 Update)

• Official English Publisher: VIZ Media (Print and Digital).

• Series Status:

  • Manga Progress: The series is in full swing, currently deep into the "Marriage Candidate Rescue" arcs, where Gero faces off against rival assassin clans (Water, Needle, Sound users, etc.).

  • Volume Count: English physical volumes have reached Volume 10+, featuring high-quality covers that showcase Mizuki Yoda's vibrant art style.