ith a twinkle in his eyes, he quickly explained: "What's wrong with calling her sister-in-law I'm Yuqi's boyfriend, so can't I call her sister-in-law Am I right, Yuqi"Gu Feng called Su Yuqi "sister" a....And there were quite a few people in the corridor as well, who all greeted the old man upon seeing him.The old man simply nodded slightly in response, with not a hint of a smile on his face. He looke...