Born into a family of "Hunters," Takamichi's destiny is to pursue and slay demons. When her twin brother is killed, she is saved from despair by a pair of Jiu Jiu-shape-shifting familiars-in the form of two wolf pups named Snow and Night. Now Takamichi is in high school and an active Hunter. Snow and Night can't wait to attend school in their human form to "protect" her. But are they ready to go off leash...?