Marriage Toxin, Vol. 1

Marriage Toxin, Vol. 1 by Joumyaku presents the intriguing tale of Gero, a master assassin who excels in his deadly craft, yet struggles in the matters of the heart. Can marriage swindler Kinosaki be the one to guide him towards finding true love?

Poison Master Hikaru Gero is on a mission unlike any other he's faced before—getting married! While Gero is a force to be reckoned with in the realm of assassinations, he is utterly clueless when it comes to dating. Fortunately, marriage swindler Mei Kinosaki possesses an unparalleled understanding of love. Together, this unlikely duo sets out on a journey to find Gero a partner, even if it means confronting the entire criminal underworld in their path.

Gero, bound by the traditions of the poison clan, vows never to settle down. However, when his family insists that his sister must produce the next heir for the clan, Gero steps in. He is determined to protect his sister's chance at true love with her girlfriend. In desperation, Gero turns to Mei Kinosaki for guidance in navigating relationships. Will Kinosaki be able to transform this skilled killer into a captivating future husband?