"Liu Xing, you really can't judge a book by its cover. I didn't expect you to be so sturdy."
Gu Yuena rubbed her reddened forehead, her expression blank.
"I'm all right. I work out regularly."
The corner of Liu Xing's mouth twitched. He had wanted to say that Gu Yuena's head was pretty hard too. His physical constitution had been inherited from Firefly, yet after taking that headbutt from Gu Yuena, his head still felt stuffy!
But saying that to a girl would have been far too unfriendly, so he could only hold it in.
Gu Yuena lowered her head slightly, and a faint glimmer flashed through her purple eyes.
Firefly listened to Liu Xing and Gu Yuena's entire conversation without interrupting, but she looked thoughtfully at Gu Yuena.
Firefly was puzzled that she had failed to notice Gu Yuena darting out in time. Even in the relaxed environment of the academy, she had not let down her guard much, yet Gu Yuena's appearance had caught her completely off guard.
It would have been one thing if Liu Xing had not noticed her before she popped out, but even Firefly had failed to react. That meant there was definitely something wrong.
It was possible that she had been too focused on chatting with Liu Xing and had relaxed her vigilance, but there was something very off about this Gu Yuena. Her instincts told her so.
"Liu Xing, Firefly, over here! Over here!"
The moment they entered the Practical Spirit Tool Class of Mingdu Primary Spirit Tool Master Academy, Liu Xing saw Xu Tianzhen waving them over. As Xu Tianzhen moved, the more than twenty students in the classroom all turned to look at the door.
Liu Xing shook his head helplessly and looked at Gu Yuena. "Gu Yuena, those are