Shiawase Kanako no Koroshiya Seikatsu

Kanako unintentionally secures a job at an assassination agency and finds that she is surprisingly skilled at killing. As she navigates this unexpected career, she struggles to gain the approval of Sakurai, a sharp and attractive coworker. Despite the dangerous nature of her job, she continues to face typical office-related issues. The manga, originally a doujin, was later serialized online starting April 26, 2019.