Sae and Kōki have been friends since childhood. One fateful day at the end of middle school, she has a revelation: Kōki has grown up! Now they're in high school, and she has another revelation: ...

The story is set in Tonakishima, a small island with a population of 600. Hana, a high school girl who lives on the island, loves recitals, and holds regular reading sessions for the island's ...