C1592 Where Did This Little Girl Come From?

Article 1592. Where did this little girl come from?

She had not come back to live here for more than four years. Xia Chuchu's bedroom had not changed. It was clean and neat. There was not even a trace of dust on the floor.

It could be seen that the maids had been coming to clean the place.

The curtains were still the same as before. The bedsheets were still the same color