Kohina Ichimatsu is an expressionless elementary school girl who lives alone, proclaims herself to be a doll, and eats nothing but instant noodles. One day, she plays the Kokkuri game by herself and summons the fox spirit Kokkuri-san who, upon seeing her unhealthy lifestyle, takes it upon himself to become her guardian and raise her properly. Thus starts Kohina's new life of being haunted by various unique spirits.