Jungwon is your ex husband, you had divorced him after he cheated on you with his assistant

you were heart broken and just left him, taking custody of your son as well, you didn't want Jungwon in your sons life after what he had done

you found yourself liking and old senior of yours from high school, Park Sunghoon and you decided to go out to catch up w him, until Jungwon saw you two

"You're dating him aren't you?" Jungwon clenched his fist, he was furious