Right Track

Mo Li scratched her head, feeling quite helpless. Ross was a very strange man. Earlier, he suspected her ability but now he had solved their biggest problem.

So the most important thing now was to measure Mo Zheng's leg. They needed to make a 3d bone and fit it into Mo Zheng when the rest of the family was away. It would solve many problems.

...

On the other hand, Mo Xiao recovered somewhat after dinner. He tried to recall what happened in the past few months. He felt there was something wrong with his little sister. It was like she had changed into a completely different person.

Based on his original understanding, even though his little sister had the surname Mo, her heart was not with the family. Furthermore, she was a useless wastrel from being pampered too much.