Saru Lock (Japanese: 猿ロック, Hepburn: Saru Rokku, trans. Monkey Lock) is a Japanese manga series written and illustrated by Naoki Serizawa. It was adapted into a television drama in 2009 and a live action film in 2010. A reboot series titled Saru Lock Reboot began serialization in Shonen Gahosha's Young King Bull magazine in October 2018. A spin-off manga series titled Saitō - Heaven's Crow Fūun Risshi was serialized in the same magazine from November 2020 to June 2021.