Chainsaw Man

Chainsaw Man is a Japanese manga series by Tatsuki Fujimoto. The first part, "Public Safety Arc," was serialized in Weekly Shonen Jump (Shueisha) from issue 1 of 2019 to issue 2 of 2021, and the second part, "Academy Arc," has been serialized in Shonen Jump+ (also from Shueisha) since July 13, 2022. As of December 2025, the series has exceeded 34 million copies in circulation.

Source: Wikipedia