Eat or Be Eaten (Japanese: 食うか食われるか Hepburn: Kuu ka Kuwareru ka) is a light novel with homoerotic themes written by Jinko Fuyuno and illustrated by Yamimaru Enjin, author of works such as The Way To Heaven and Voice or Noise. It was published by Frontier Works in Japanese, and was published in English by Digital Manga Publishing in May 2009.