Beatless is a Japanese science fiction serial novel written by Satoshi Hase and illustrated by Redjuice. The series has inspired three spin-off manga series and a 24-episode anime television series by Diomedéa, which aired from January to September 2018 in the Animeism programming block on MBS. Satoshi Hase serialized the novel, with illustrations by Supercell member Redjuice, in Kadokawa Shoten's Newtype magazine in 2012. The novel was compiled and published in book form on October 10, 2012 (ISBN 978-4-04-110290-9). In 2013, Tokyo Otaku Mode began hosting an English translation of the novel, with animated versions of Redjuice's illustrations done by Wit Studio and animator Satoshi Kadowaki.