You and Seonghwa have been dating for a few months, or at least you think...

Today he was celebrating another successful mission with his colleagues in the VIP area, but then you left for a few minutes to go to the bathroom and when you came back...There was a girl on his lap and kissing him

"Hm....oh there you are" he said while smiling smugly and wiping the lipstick stain on his lips, the girl giggles and sitting next to him and holding his arm