About the title
Aoi and Akane's parents died 13 years ago, and in order to take care of her younger sister, Akane had to give up her plans to move to Tokyo with her boyfriend Shinnosuke. Since then, Aoi has felt indebted to her sister. 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 moment, Shinno mysteriously appears — a version of Shinnosuke from thirteen years ago, who has arrived in the present from the past. And Aoi falls in love for the first time.