Moe Amatsuka joins an anime club for otaku guys as their long-awaited female member. Enchanted by her cuteness, the male members exploit her inability to say no with increasingly erotic advances. Under orders from the club's leader, Master, she is broken in and transformed into an obedient M-pet for the perverted otaku—used solely for sexual release. "Such a beautiful masochist deserves a rewarding cock." Moe Amatsuka thus begins her new life as the otaku club's princess (a total M-slave●).