C133 How Do You Explain?

Ann Nian simply didn't dare to go to bed after falling asleep for the past few nights. She sat at the table by the window and began to draw carefully. At first, she was able to endure it, but then her eyelids started to twitch. Finally, she directly lay down on the desk and fell asleep with her arms under her head.

Ann Nian's face was completely buried in her arms