A one-sided love is like a train running underground, always hidden. Nozomi followed her crush, Shusuke, to a university in Tokyo, hoping to get closer to him. When he gets a girlfriend, she decides to stay on the sidelines and keep her feelings hidden. However, her quiet campus life is turned upside down when Atsushi, a handsome upperclassman, sets his sights on her. (Source: MangaPlaza) Included one-shots: Volume 3: Pink no Ouji, Ibara no Himegimi