C203

After hanging up the phone with Ren's mother, the moment he went into the bathroom to wash up, there came a series of ringing at the door. She walked to the door and looked out through the peephole, and saw that it was indeed Chu Zhen, so he purposely made a sound of walking at the door, but didn't open the door.

Chu Zhen pressed the doorbell while listening in through the door