You and seungmin are a couple. You are very insecure of your smile, since you've got your braces. You always cover your smile while laughing, and it breaks Seungmin's heart... One time when both of you were joking about something, he pulled your hand away from your face, and his eyes lightened up when he saw your smile. You immediately felt uncomfortable, but... "It's pretty" he said, while his finger brushed trough your lower lip