10 years ago, Tanioka Hatsune was a famous young violinist. She won many international music competitions and performed with prestigious orchestras. For some reason, Tanioka Hatsune decided to walk away from her career and never perform on stage again. Now, she is 28-years-old and works as a public officer in Nishi Ward, Saitama City. She still enjoys to play the violin in private, but Tokiwa Asahi becomes aware of her. Tokiwa Asahi is a rising maestro, who is based in Germany. His love for music is so much, that he is very strict on his players. One day, his father, who is the head of Nishi Ward in Saitama City, tells him to return to Japan and rebuild the local Kodama Symphony Orchestra. He returns to Japan and begins to rebuild the local symphony in Saitama City. He tries to recruit Tanioka Hatsune to play the violin on stage once again

Hazuki clips her nails every time it rains. She caressed 'her' with these fingers back then. Hazuki, an editor of a publishing company now, is attracted by Shiori, the head of planning. On a day when the two women soaked wet in the rain, they enter an motel for shelter and take a shower. There Hazuki sees the image of her lost "girlfriend" in Shiori and eventually they reach out to each other.