Due to the constant mistreatment she received while working for an advertising agency, Kanako Nishino—an emotional girl with a penchant for animal-based puns—decided to quit her job and search for a better one. To her surprise, Kanako finds out that the new company she has applied for is actually an assassins' organization, and she passes the entrance exam with flying colors! Kanako begins her new and exciting life as a professional assassin. [Written by MAL Rewrite]

Shiawase Kanako no Koroshiya Seikatsu has been translated into English as Kanako's Life as an Assassin and released on BOOTH by the author. The series has been published in English as Happy Kanako's Killer Life by Seven Seas Entertainment since August 3, 2021.