That Time I Got Reincarnated as a Slime (1970)
overview : "Rimuru Tempest" is the new name of a slime in a fantasy world taken by a former 37-year-old human Satou Mikami after he is killed by a passing robber. Broken free from ordinary, stale past life, his fresh adventure in a fantasy world as a slime monster with unique abilities begins.
Genres : Animation, Action & Adventure, Sci-Fi & Fantasy
Tags : afterlife, based on manga, demon, shounen, anime
Networks : Tokyo MX, BS11