One Punch Man Volume 1 Graphic Novel is a manga/anime graphic novel published by Viz Media. It is the first volume of the One-Punch Man series, written by One and illustrated by Yusuke Murata. The story follows Saitama, a superhero who can defeat any opponent with a single punch, and his disciple Genos. The graphic novel includes the introduction of several characters such as Armored Gorilla, Mosquito Girl, and the Subterranean King. It is written in English and is part of the Shonen Jump Manga series.