Mathematics is the Father of Physics

"Alright then, you better sleep earlier too," Xiao Yaojing said as she could not remain angry in front of Wen Shan.

After ending the conversation with Xiao Yaojing, Ye Yuwei continued standing by the window, looking at Gu Juexi who had not moved an inch.

At PA Wen's apartment.

Wen Shan opened the door for Xiao Yaojing and called out twice for her brother before confirming that no one was home. Furthermore, all the lights in the house were not on. "It seems like my brother is not home. He must still be busy at work. Didn't you call him before coming over?" Wen Shan asked.

"I just dropped by to get something that I left behind. Who would have thought that he would not be home at this hour of the day?" Xiao Yaojing said. Xiao Yaojing and Wen Shan were quite close and therefore, she did not need to hide anything from her.