This story tells the life story of a girl who is an excellent piano player named (......) who has a very cheerful personality. He has to survive when he accepts the fact that his family is going bankrupt. So with low finances, you have to be able to survive while continuing to hone your hobby in the field of music, especially becoming a pianist.

Haechan Lee is a young man who has a personality that doesn't care about his surroundings, is cold. Haechan Lee is reluctant to pay attention to other people who comment on his life which many people think is perfect, but behind it all it turns out that Haechan has a kind and warm heart. He has a life who tend to be free and don't have clear life goals, in contrast to those of you who have lots of dreams

And tonight you have a night shift to entertain customers in a fancy restaurant with Kyanu's piano talent to earn money, and for the first time you and Haechan meet in an elevator just the two of you until suddenly the elevator stops and the lights go out, while you face feel your Claustrophobia relapse right then and there.