Alternative Titles Synonyms: Kaibutsu Ohjo, Monster Princess Japanese: 怪物王女 Information Type: TV Episodes: 25 Status: Finished Airing Aired: Apr 13, 2007 to Sep 28, 2007 Premiered: Spring 2007 Broadcast: Fridays at 01:55 (JST) Studios: Madhouse Source: Manga Theme: Vampire Demographic: Shounen Duration: 24 min. per ep. Rating: PG-13 - Teens 13 or older Statistics Score: 6.991 (scored by 29,583 users) 1 indicates a . Ranked: #43962 2 based on the top anime page. Please note that 'Not yet aired' and 'R18+' titles are excluded. Popularity: #2381 Members: 80,074 Favorites: 218 Available AtResources | EpisodesNo episode video has been added to this title. Music VideosNo music video has been added to this title. Trailers |