Level E(レベルE) is a science fiction manga series by Yoshihiro Togashi. It was originally published in Weekly Shōnen Jump from 1995 to 1997. Along with its short length, the story is focused much more heavily on humor than his more famous shōnen series YuYu Hakusho and Hunter × Hunter. Level E has been published the sixteen chapters in three collected volumes (tankōbon) altogether. The first was released on March 4, 1996, the second on October 3, 1996, and the last on May 1, 1997.