Second-12 months high college pupil Aoi Aioi is an aspiring musician Aoi Aioi. Her older sister Akane's ex-boyfriend Shinnosuke Kanomura is a suffering guitarist. Aoi and Akane's parents exceeded away in an accident 13 years in the past, and Akane gave up her ambition of going to Tokyo with Shinnosuke to attend to Aoi. Since then, Aoi has felt indebted to her older sister. One day, she is invited to carry out at a music pageant as a session musician through a well-known enka singer named Dankichi. At the same time, Shinnosuke returns to Aoi and Akane's town after a long term away. Then, Shinno mysteriously seems— who is in reality Shinnosuke from thirteen years ago after touring from the past to the prevailing—and Aoi falls in love for the primary time.