C24 No requirement

When Rui Ni finished speaking, and hung up the call, he seemed to have aged a lot. With his back against the wall, he sighed heavily before turning around and opening the private room's door.

The smile returned to her face.

Monica asked: "Chief Rui, did something happen? Did you go out that long?"

He actually talked for more than 20 minutes on the phone, which was not Rui Ni's style