When Xu Mu was four years old, she took her to her uncle's house to play and met Xu Chen.
"This doll is beautiful," Xu Mu kissed Xu Chen's face and slobbered on his face, "Dad, can we take him home?"
This was Xu Mu's first impression of Xu Chen.
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When Xu Chen was five years old, he officially moved into his uncle's house and met Xu Mu.
"Don't be afraid, my sister will protect you."
This is the sentence Xu Chen has heard the most in seven years.