Synopsis

Bored rich kids. Natsuhisa, 20, constantly teases his brother Haruji, 16, about girls. They arrive by train for a summer at the beach; at the station, Haruji spots a young woman and can think of nothing else for the next few days. When they cross paths again - she's Eri - Haru invites her to a party at the house of a friend whose parents are divorced. They start a slow courtship. Then, Natsuhisa discovers Eri's secret; instead of it ending everything, Natsuhisa initiates a triangle by seeking the favors of his younger brother's girl. Haru is unaware of this betrayal. What will happen when he finds out?

Bored rich kids. Natsuhisa, 20, constantly teases his brother Haruji, 16, about girls. They arrive by train for a summer at the beach; at the station, Haruji spots a young woman and can think of nothing else for the next few days. When they cross paths again - she's Eri - Haru invites her to a party at the house of a friend whose parents are divorced. They start a slow courtship. Then, Natsuhisa discovers Eri's secret; instead of it ending everything, Natsuhisa initiates a triangle by seeking the favors of his younger brother's girl. Haru is unaware of this betrayal. What will happen when he finds out?