
Aoi and Akane's parents died 13 years ago, and in order to take care of her younger sister, Akane had to give up plans to move to Tokyo with her boyfriend Shinnosuke. Aoi has felt indebted to her sister ever since. One day, a famous enka singer named Dankichi invites Aoi, who is just taking her first steps in music, to perform at a festival. At the same time, Shinnosuke returns to his hometown after a long absence. At the same time, Shinno mysteriously appears, who is a thirteen-year-old Shinnosuke who has come from the past to the present. And Aoi falls in love for the first time.