C190 Explanation

At first, Chengxirui did not bother with him, because she felt that since Wangjielin was downstairs, she did not need to go down at all.

If it was Wangjiayu or even Mamu, then it would be a bunch of trouble. It would be better to just hide in the room and have a good night's sleep.

However, there was no sign of the doorbell at the bottom of the building