讲述接受心脏移植手术的女大学生到冲绳疗养,在一座小岛与吹小号的男子邂逅并相爱的故事。Aoi studies photography at a school in Tokyo. She undergoes a heart transplant operation and goes to the island of Okinawa to recover. Her uncle lives on the island. There, she holds a camera and walks along the island. Aoi hears the sound of a trumpet. She looks up and sees a young man playing the trumpet. His name is Zio.