This is a Letter from laura who is currently in heaven to yongguk who is still Alive. On a romantic car trip, the car brake stops working and their car crash. Laura dies but Yongguk lives. Hehas so much guilt, Thinking he is the reason she died. He is devastated, sad and depressed. Laura currently in Heaven writes him letter telling him how much she loves him and will always love him and not to feel guilty.