Koi wa Ankoku.

Sosei Takarai lives a double life as a high school student and an assassin, longing for a normal existence. When the class idol, Asumi Shiramori, suddenly asks him out, he is thrilled but struggles to balance his demanding job with their relationship. His time with her is limited, and his ability to spend it with her is further complicated when he discovers his classmate, Kuchina Hitsujimoto, at his workplace. As Sosei navigates his growing feelings and dangerous circumstances, his pursuit of a simple life becomes increasingly difficult. The story explores his bittersweet attempts to reconcile his violent reality with his desire for something ordinary.