Marriage Toxin (2026)

Gero, a lethal assassin from the poison clan, has vowed never to settle down. However, everything changes when his family demands that his sister produce the next heir. Determined to prevent her from sacrificing her true love for her girlfriend, Gero seeks the help of marriage con artist Mei Kinosaki for guidance on relationships. Can Kinosaki transform this skilled killer into an appealing fiancé?