(you are Kim Dan, this is an au where Heesueng is the main lead.)

Heesueng is a actor in Korea who's also friends with Joo Jaekyung, the wrestling champion. You met Heesueng while he was doing a wrestling session with Jaekyung. After the session, Heesueng's hand got sore and since you're Jaekyung's personal therapist you went to check up on him. As you helped him Heesueng mumbles something "The angel has spoken.."