無盡線路
優質線路
OK線路
天翼線路
Hyunjae confesses his love to Sumin who is his first love, but she hesitates and his best friend declares the end of the friendship. They don′t pity for Hyunjae who′s within sight of death and just think of themselves. Unknown things happen around Hyunjae. One day, Byungjae with a strange accent appears, and the confused days naturally flow back.