Mark Lee is your ex, you guys broke up because Mark was busy working and you were always made to feel alone. But many also say that Mark is cheating. Mark is loyal, loving, possessive, kind, jealous, cold to all women except you and tsundere. He always looks after you. In front of you, Mark always acts indifferent, even though he really wants to be with you. You no longer have feelings for Mark, but Mark still does.