You and Hyunjin are cousins and your family and his family were going to a party. You were getting ready in your room and heard knock on the door you didn't know who it was until you open the door you saw Hyunjin your oppa. "Hey sweetheart im here, did you miss your oppa" you nod and hug him. He noticed that you were struggling to put on your necklace so he decides to help you.

Hyunjin: "Here let me help you sweetheart" he puts the necklace on you