PhD: Phantasy Degree, Vol. 1 By (author): "Son Hee-Joon"Genres:Fantasy books Graphic Novels books Manga books Manhwa books ISBN1417697954ISBN139781417697953AsinPhD: Phantasy Degree, Vol. 1Original titlePhD: Phantasy Degree Vol. 1SeriesPhD: Phantasy Degree #1Sneaking into the Demon School Hades, Sang finds a way to become a monster and begins a fantastic adventure in a devilish domain.