Sasamori Yukiko, who moved to the countryside where the air is fresh because of her frail health, starts playing Kokkuri-san at Nanako's suggestion, in order to attract the love of Hidemi, who she quickly becomes close with in the same class. A large number of evil spirits with earthworm-like bodies attached to them appear, and many earthworms start to haunt her house as well. At that time, Kusakabe, a boy who Hidemi has a crush on, approaches Yukiko and starts wooing her as he takes her on his bike. A horror story by Tanima Yumi in which a young girl is surrounded by strange phenomena.