Hiroyuki Utatane is a mangaka from the Nagasaki prefecture. He started out as a H doujinshi artist (erotic fan manga), and eventually turned professional. He draws manga for erotic magazines, but also mainstream manga. His erotic serial include 'Kaunto Daun 5-4-3-2-1' and 'Temptation - Erotic Excentric'. His other work is the science fiction serials 'Seraphic Feather' and 'Lythis'.