The "Hentai" Prince and the Stony Cat. (Japanese:, Hepburn: Hentai Ōji to Warawanai Neko.), also known by the shorthand HenNeko and Towanai, is a Japanese light novel series written by Sou Sagara and illustrated by Kantoku. Media Factory published 12 volumes from October 2010 to March 2018. It was adapted into a manga series serialized in Monthly Comic Alive and a 12-episode anime television series by J.C.Staff, which aired between April and June 2013. The anime is licensed by Sentai Filmworks in North America.