Our family has a tradition that every hundred years we draw lots to choose a person to guard the ancestral tomb. Since I couldn't bear to have my father, who was suffering from advanced lung cancer, guard his grave, I volunteered to guard his grave instead. Ten years later, I returned home to find an extra boy and a girl. My mother hugged the girl and introduced me, "My mother has missed you so much during the ten years you have been guarding the tomb, so she asked Yuanyuan to accompany me instead of you. From now on, you will treat her like your own sister." The boy, who was my younger brother, threw my luggage out on the spot and yelled angrily, "I don't want her to be my sister! Why should a wild girl from nowhere take away the love that belongs to sister Yuanyuan!" I raised my eyebrows and glanced at my dad. My father, who was suffering from advanced lung cancer, had a bright red face. "Since Yanqiu doesn't like it, Xinxin, why don't you come back in two days?" I swallowed what I wanted to say in an instant. Don't tell the dying people about the bet in their ancestral graves.