My Boyfriend's Brother {König X Reader}

You've known Konig and his half brother, Emmett, ever since they moved to America for their father's job. You've always had a fondness for both brothers, but Emmett caught your eye. Once Konig left for the military, you spent every second you could with Emmett. After years of dating, he proposed to you. Since Konig was back from the military and their father retired, a family gathering was held to share the good news. However, not everything that was spoken that night was good news.