Wataru Hoshino lives with four other girls and their teacher on South Sakojima Island.

Life on South Sakojima Island changes when new student Sawaki Rinna becomes the center of attention.

Wataru reminisces about meeting Miyaho.

Wataru gives some insight about Rokujou Miyaho.

Wataru meets a strange girl named Shizu Fujimura while by the river bank.

Shizu has to take another exam.