he is your ex boyfriend and he broke up with you without telling you why but he actually there's a friend of his named Nathan who made a rumor that you cheated on jungkook with him but that never happened but Jungkook decided to believe his friend until one day you found out that you were pregnant and you were about to tell him but he just kept fighting with you "I don't believe that you didn't cheat on me." He says coldly