Secret love is a one-man show exclusive to you, a story that can move others but cannot move you alone. Secret love means that he/she carries your whole youth, and in his/her youth, you are just a passerby. The reality is cruel, the person you have a crush on is just the person you have a crush on after all.
Concept: There is such a person in youth, hidden in my heart. When they grow up, they disperse.