Chainsaw Man (Japanese: チェンソーマン, Hepburn: Chensō Man) is a Japanese manga series written and illustrated by Tatsuki Fujimoto. Its first arc was serialized in Shueisha's shōnen manga magazine Weekly Shōnen Jump from December 2018 to December 2020; its second arc began serialization in Shueisha's Shōnen Jump+ app and website in July 2022. Its chapters have been collected in 22 tankōbon volumes as of September 2025. Chainsaw Man follows the story of Denji, an impoverished teenager who makes a contract that fuses his body with that of Pochita, the dog-like Chainsaw Devil, granting him the ability to transform parts of his body into chainsaws. Denji eventually joins the Public Safety Devil Hunters, a government agency focused on combating Devils whenever they become a threat to Japan. The second arc of the story focuses on Asa Mitaka, a high school student who enters into a contract with Yoru, the War Devil, who forces her to hunt down Chainsaw Man in order to reclaim what he had stolen from her. In North America, the manga is licensed in English by Viz Media, for both print and digital release, and it is also published by Shueisha on the Manga Plus online platform. An anime television series adaptation produced by MAPPA was broadcast from October to December 2022. An anime film, titled Chainsaw Man – The Movie: Reze Arc, premiered in September 2025. By November 2025, the manga had over 32 million copies in circulation, making it one of the best-selling manga series of all time. In 2021, it won the 66th Shogakukan Manga Award in the shōnen category and won the Harvey Award in the Best Manga category from 2021 to 2023. Chainsaw Man has been overall well-received by critics, who have praised its storytelling, characters, dark humor, and have particularly highlighted its violent scenes within the context of the story.