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. A live-action television drama adaptation aired from February to March 2025.
Written and illustrated by Toshiya Wakabayashi, Happy Kanako's Killer Life originally began publication as a webcomic on the author's Pixiv account on October 29, 2018. It later began serialization on Kodansha's Twi4 Twitter account and Saizensen website on April 26, 2019. Its chapters have been compiled into eight tankà Âbon volumes as of October 2025. The series is licensed in English by Seven Seas Entertainment.
A live-action television drama adaptation was announced on May 7, 2024. The drama is directed by Tsutomu Hanabusa and stars Non and Taisuke Fujigaya in lead roles. It was streamed on DMM TV from February 28 to March 28, 2025, and ran for six episodes.
The series was ranked fifteenth in Honya Club's Nationwide Bookstore Employees' Recommended Comics of 2020.