Whilst riding the train to school, Uzume Uno finds a mysterious device slipped into her bag. Later at school, Uzume finds herself running from a supposed stalker whilst also hearing a voice in her head. Wanting to be safe, Uzume makes a contract to become a Fantasista Doll master, bringing forth one of these dolls, Sasara. Just then, another student wielding the same device attacks Uzume using a doll named Kunoichi. Luckily, Uzume manages to use her new cards to allow Sasara to defeat Kunoichi. Upon returning home, Uzume finds she is also in command of four other dolls, Katia, Shimeji, Akari and Madeleine, and must keep them a secret from her family.