Nanafa Kyan lives in Okinawa with her grandmother and family, who run the "Kame Soba" soba shop. Her older sister Nao is in high school, while younger sister Kokona is in elementary school, possessing a unique ability to sense the supernatural. Nanafa's life takes an unexpected turn when a seal falls from a Chinese banyan tree, releasing three spirits: Niina, Raana, and Iina, an incarnation of an Okinawan lion statue. The appearance of these spirits disrupts the family's peaceful life.