Chapter 640: Chapter 640: Missing

"Ask, ask, ask! You guys have really ramped up your enthusiasm for studying lately! I haven't seen you in a few days, and each one of you seems like a changed person."

"Hahaha! That means An Hao is positive energy, and you are negative energy! Your negative energy is holding us back from making progress! Hahaha!" Over time, Zhang Juan found that Gu Shuangshuang and An Hao were not difficult to get along with, so she and Lei Linxuan started to gravitate towards them.

From time to time, they'd do each other small favors and crack harmless little jokes.

"Pfft!" Gu Shuangshuang rolled her eyes at them, "You bunch of jerks buddying up while I wasn't around, now you really want to bully me."

The group giggled and horsed around for a while, Xu Yinuo came back but still no sign of An Hao.

Gu Shuangshuang glanced at the clock on the bedside table, it was after ten already, and the dormitory was about to turn off the lights – why hadn't An Hao come back?