On a train to Tokyo, Komatsu (Aoi Miyazaki) sits next to NANA (Mika Nakashima), a budding vocalist of rock band, BLACK STONES.

• 小松奈奈（宫崎葵饰）前往东京，希望能与男友多点见面。在火车上，她刚好坐在黑石乐队主音大崎娜娜（中岛美嘉饰）身旁。