Two days ago something happened to Seong-Won while visiting his friend Hyo-Jun house, something that caused him to not to sleep since then. Will a meeting on the train with Hyo-Jun’s older sister rev...more

Two days ago something happened to Seong-Won while visiting his friend Hyo-Jun house, something that caused him to not to sleep since then. Will a meeting on the train with Hyo-Jun’s older sister reveal what happened?