Ichinose, a student of violin music, faces a crucial juncture in his life. Though he must choose his path, he's uncertain which dream to chase. Without a clear vision, he opts to assist his mother, a piano instructor, by teaching the violin. However, his life takes an unexpected turn when he encounters a beautiful somber woman standing shoeless outside an apartment one evening. Further inquiry reveals that she cohabits with a feline friend and an enigmatic fellow named Mike. Could this unexpected encounter be the catalyst that transforms his monotonous existence?