Sentenced to Be a Hero: The Prison Records of Penal Hero Unit 9004 (Japanese: 勇者刑に処す 懲罰勇者9004隊刑務記録, Hepburn: Yūsha-kei ni Shosu: Chōbatsu Yūsha 9004-tai Keimu Kiroku) is a Japanese light novel series written by Rocket Shōkai and illustrated by Mephisto. It began serialization as a web novel published on Kakuyomu in October 2020. It began publication as a light novel under ASCII Media Works' Dengeki no Shin Bungei light novel imprint in September 2021. A manga adaptation began serialization in ASCII Media Works' Dengeki Comic Regulus web magazine in March 2022. An anime television series adaptation produced by Studio Kai premiered in January 2026.