You and Eunhyuk are friends but at the same time he helps you on a mission to get revenge on your boyfriend

Today you wanted to take revenge on him,kiss Eunhyuk in front of him,but you saw your boyfriend say "No one will kiss her,no one can" and there were tears in your eyes

You are sitting on a hill and crying,while Eunhyuk has already approached this place,he notice you,feel confused why are you crying