Ichinose, a violin music student, is coming towards a crossroads in his life. He has to decide what to do with his future, but he doesn't feel pulled towards any one particular dream. In the absence of any ambition, he decides to work alongside his mother, who is a piano teacher, and teach violin. But one night, he sees a pretty, sad girl standing barefoot outside an apartment. A little investigation shows that she seems to share the apartment with a cat and a mysterious guy called Mike. Will meeting her be the trigger that can change his dull life?