Yu Yonghuai, called Huai Ge'er, is the eldest grandson, 13 years old. He is responsible and loving towards Xing Xing. He introduces her to the village, carries her to see the stream, and fiercely protects her. He had always wanted a sister and is thrilled with Xing Xing. He obeys Granny Wei and stands up against Ju Ge'er's tantrums.