Kaibutsu Oujo, known as Princess Resurrection in English, is a supernatural anime series that follows Hiro Hiyorimi, a young boy who becomes the servant of Hime, a princess from the monster world. After being revived by Hime, Hiro assists her in battles against various creatures and other monster royalty. The series blends action, comedy, and horror elements, offering a unique take on the monster genre with a mix of dark humor and engaging storytelling.