C475 Design Trap

"Ding dong ding dong."

"Who is it? Liuyu, there's a doorbell. Open the door. " Jiang Bei called to Chu Liuyu, who was near the door.

Chu Liuyu glanced at Jiang Bei worriedly. Of course, she knew who it was. It must be Gu Hengyi because he had sent a message to her on purpose yesterday.

"Bei