Yoongi's cheeks went puff because you're trying to force him smile both of your hands are on the sides of his lips but no matter how much you're trying to really make him smile he just wouldn't

"ah stop it im in duty we shouldn't be seen being like this"

Yoongi tried to pry you away from him as he's also looking around to see if your dad is near. Yoongi is your bodyguard so he really avoid being touchy or being seen interacting unprofessionally with you as some might misunderstood