Happy Kanako's Killer LifeHappy Kanako's Killer Life.

Happy Kanako's Killer Life (幸せカナコの殺し屋生活, Shiawase Kanako no Koroshiya Seikatsu) is a Japanese four-panel manga series written and illustrated by Toshiya Wakabayashi. It originally began publication as a webcomic published on the author's Pixiv account in October 2018. It later began serialization on Kodansha's Twi4 Twitter account and Saizensen website in April 2019.