Aki Miyata was a musician and died 1 year ago. He had a bright and positive personality. Sota Kubota is a university student. He is not good at socializing with people. One day, Sota Kubota picks up a cassette tape, which was left by Aki Miyata. If Sota Kubota plays the cassette tape, Aki Miyata’s spirit takes over Sota Kubota's body for only 30 minutes.