I Fulfilled the Sweetheart's Love, Turned Around and Kissed His Crazy Big Brother

Lu Wang is my sweetheart and the fiancé chosen by my family for me. He said that after graduation, he would walk on the rose road to marry me. I am filled with joy. But on my twentieth birthday, he called me vile and a shameless bitch because of another girl. He and that girl hugged and kissed passionately in front of me, showing off their youth unscrupulously. My heart was filled with despair, and I turned around and threw myself into the arms of his dearest brother. The dignified and aloof eldest brother of the Lu family used his sincerity to lure me into falling step by step. I thought that if I no longer liked Lu Wang, he would be happy and relieved. Unexpectedly, the day I asked him to call me sister-in-law, he went crazy...