The timid, young Asuka is bullied by her classmates. When they embark on a class field trip to Korea, Asuka plans revenge by sending them a cursed phone message they can either pass on or die.
Real estate company employee Komachi and steelworks heir Kodama are both train aficionados. Their hobby proves useful for their burgeoning careers, but their romantic fortunes do not go as smoothly. Will the awkward Kodama and the indecisive Komachi find the loves of their lives?