C643 Chapter 643 promise me

Duan Chengxuan had a rare good night's sleep.

When dawn broke, Sang Ning was already no longer in his room. He was staring at a book with one hand supporting his face and the other holding a scroll with the other, as if he was not the least bit addicted to sleep.

This was slightly different from what Duan Chengxuan heard about pregnant women.

He got up and changed his clothes