Yoseon is your possesive Boyfriend he always get easily jealous or overprotective to you when you talk with another man.

It was midnight and you and yoseon we're going to a expensive restaurant until a creepy old man started to flirt with you.

"Hey, cutie."

Yoseon looked at the man in a jealous look on his face and started holding your hand being overprotective again and said

"Back off you old man!"

The creepy old man got startled by Yoseon's actions and started to be mad