Set within music field, this film depicts a love story between a 25-year-old sound engineer and 16-year-old high school student Riko, who posessess a gifted voice. 25-year-old sound engineer Aki is a member of popular band “Crude Play,” but right after the band decides to make their major record debut Aki quits the band. But, Aki provides his music to Crude Play under the name of producer Soichiro. Aki begins to date Riko, whose father runs a fruit and vegetable shop. Riko doesn’t know about Aki’s background, but she likes to listen to him hum. Riko is in a band herself, with childhood friend Yuichi and Sota. One day she is scouted by producer Soichiro.

A motorcycle accident in the city will be the precursor to a series of bizarre phenomena being revealed consecutively. Meanwhile, a girl named Yoko possesses a second sight which allows her to see strange things invisible to others.

Tsuchida works at a host club in secret to support her live-in boyfriend Seiichi, in order to fulfill his dream of becoming a musician. Seiichi is unemployed and falls into a slump, unable to write any songs. However, when Seiichi learns that Tsuchida became a mistress of a customer at the host club and that it was how she is earning their living expenses, he changes his mind and decides to find a job. Meanwhile,Tsuchida had an accidental reunion with Hagio, an old lover who she has been unable to forget.