BL Metamorphosis is a Japanese manga series by Kaori Tsurutani. BL Metamorphosis was serialized digitally in the monthly manga magazine Comic Newtype from November 17, 2017, to October 9, 2020. A live-action film adaptation premiered on June 17, 2022. Since its release, BL Metamorphosis won the New Face Award at the 22nd Japan Media Arts Festival Awards and was nominated for the Manga Taishō in 2019 and 2021.