Kang Chae-yun

Jooin, a 17-year-old student, confused by love, unleashes chaos with some words spoken in a moment of anger. Anonymous notes questioning her actions begin to arrive, altering her quiet life.

At night Kang-Hyun fell from a high place, a 17 year old Dong-Jun, who's the best pal of his, made a choice to determine the direction of life afterwards. Deep regrets and guilt about the choice make him to live as different selve...