Isekai Harem Monogatari is an anime adaptation of ” Isekai Harem Monogatari-Tales of Harem “. Meijin Studio produced this hentai anime. The original manga is a Harem genre manga written by Tachibana Omina. The story follows Main character reading a porn manga. Suddenly he gets transported to a new world that he imagines in his wet dreams. He finds this real and he creates a harem for himself. Now he is having sex with different types of girl and races.