Sana and Momo has been friends since kindergarten, nothing and no one has been able to separate them. But what will happen when Momo gets serious with someone? Will Sana make it through their friendship?

When Son Chaeyoung,a college student came across a Japanese ballerina at an empty dance studio in the middle of the night of her deep thoughts.An unexpected first meeting which led to another one for a collab between the freshmen for a new project.The sudden frequent meeting somehow became the reason why the emotionless Korean began to experience various feelings for the very first time in her life.However,with all these unknown emotions kept attacking the scarred mysterious girl,Chaeyo