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 Shokai 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 is set to premiere in 2025.
Written by Rocket Shokai, Sentenced to Be a Hero: The Prison Records of Penal Hero Unit 9004 began serialization as a web novel published on the Kakuyomu website. It was later acquired by ASCII Media Works who began publishing it as a light novel with illustrations by Mephisto under their Dengeki no Shin Bungei light novel imprint. Seven volumes have been released as of January 17, 2025.[4] The light novels are licensed in English by Yen Press.[5]
A manga adaptation illustrated by Natsumi Inoue began serialization in ASCII Media Works' Dengeki Comic Regulus web magazine on March 25, 2022.[15] It has been collected in two volumes as of April 26, 2024.[16] The manga adaptation is published digitally in English on Kadokawa's BookWalker website.[17]
An anime adaptation was announced at the Dengeki Bunko 30th Anniversary event on July 16, 2023.[19] It was later confirmed to be a television series produced by Studio Kai and is set to premiere in 2025.[20][3]
