The story tells the story of a small town surrounded by mountains. there is an incredible four-corner relationship between the musician dream of the high school sophomore "Xiangshenglan" and his sister "Xiangshengxi", as well as the unknown guitarist "Kim Shinsuke" by Qian's ex-boyfriend, and Shinosuke Shensuke, who traveled through time and space 13 years ago to the present age of 18. Thirteen years ago, because her parents were killed in an accident, her sister Qian gave up going to Tokyo with Shinosuke to raise her sister herself, and Lan always felt guilty about it. At the music festival in the small town, the accompaniment musicians of the famous singers who were invited to participate were unexpectedly Shen Naosuke, who had not been heard from for many years. And at the same time in front of the blue appeared in front of the "Fengzhuo" and attracted her admiration.