From Shortcake Club: Akimi, a high school student living on a scenic island in the Seto Inland Sea, lives with her mother, who stopped smiling due to her father's affair. One day, she becomes close to Kai, who transferred to the island after being swept along by his free-spirited mother's love affairs. Both harboring loneliness and emptiness within, they are drawn to each other, miss each other, and eventually grow together.