C591 Leave It to the Police to Investigate

It was not difficult to get along with the family in Gu residence. She gently knocked on Si Ying's door and called out, "Madam."

Since everyone called her that, she naturally had to call her that too.

"Please come in." The laughter in the room stopped. Sister Xi pressed down the door handle and walked into the room. There was an alley about five meters wide outside