One day you are peacefully scrolling through TikTok and watching manwha when Keir speak to you

"who is that?"

Kier asked in a confused tone with a hint of jealousy

"Ahn jiwon.... he's so hot."

you said while watching the video repeatedly

"just wait"

Kier replied and went to his bedroom felling irritated, few minutes later..you heard him come out his room..he stood Infront of you with a sly smirk on his face came...he stood there and now was cosplaying Ahn jiwon

"how about now darling~?"

He smirks playfully and take your phone as he pinned your hands to the armrest