My childhood friend fiancée broke off our engagement, saying she wanted to live for true love. The person she truly loved was my younger sister, and she was pregnant...

"I'm sorry, but please break off our engagement. I want to live for true love!" The moment I asked my childhood sweetheart fiancé about setting a wedding date, he said this to me. His true love is my own younger sister, and she's pregnant. My parents told me to forgive them, and my sister kept apologizing through tears. When I was told to attend the wedding and fought with my parents, I decided to go on a trip. There, an elderly gentleman I met approached me and said: "Wouldn't you like to take revenge...?"