Immediately, Professor Derry nodded as a form of greeting but did not make it too obvious. After all, his motive for coming could not be too obvious. If he was seen through, it would be even more difficult to take Xue Xi away.

Xue Xi also smiled as a form of greeting. Before she could lower her head, she heard Zhang Hao say, “Did Professor Derry look at me just now? Could it be that he likes me?”

Xie Yingying: “…”

When he was in the IMO, when Derry was looking for Xue Xi, Zhang Hao was not by their side, so he did not know about the two’s relationship.

The corners of her lips twitched as she turned to look at him. “It’s important to know your place.”

Zhang Hao was delighted. “You also think that I’m too outstanding? I usually don’t see my own excellence. Sigh, what a headache.”

Xie Yingying: “?”

Li Zixia burst out laughing.

On stage, the teacher for Linear Algebra was also very excited. To be able to see Professor Derry and exchange knowledge about mathematics with him was every mathematician’s dream.

Professor Derry was not someone anyone could meet.

Professor Derry said, “May I speak first?”

The linear algebra teacher nodded.

Professor Derry stood on the podium and introduced himself in English. He then said, “Oh, I’m very honored to be standing here today because I want to choose an exchange student. I feel that since Scanford and Huaxia University are both top universities, we should interact more.”

The moment he said this, the students below immediately raised their heads. All of them wished they could be chosen by him.

Feng Xingshen asked, “Professor Derry, what are your conditions for choosing an exchange student?”

Derry smiled. “There’s an old saying in China. It’s called…”

He said in strange Mandarin, “We’ll meet again if fate allows.”

Everyone below instantly burst out laughing.

Professor Derry had always been serious. Being a mathematician was an instinct. Feng Xingshen heaved a sigh of relief when he heard this joke.

It was mainly because this professor’s sudden arrival in China was too strange.

Even now, the country could not find out his intentions.

A mathematician like Professor Derry was a target that every country was fighting for. He carried the research and development secrets of more than ten countries. How could they let him go overseas?

He still remembered that there was a mathematician in Country M back then. When he wanted to return to the country, he was met with layers of obstructions. In order to prevent China from having advanced mathematics knowledge, Country M had used many shameless methods. Later, they’d sent top special forces to secretly steal him back.

Hence, it was definitely not easy for him to come to China.

After Professor Derry said that, he briefly introduced the mathematics department of Scanford and only mentioned the problems being worked on. “Our school has a recent research and development project, ‘Riemann’s Conjecture,’ ‘N-S equations’…”

He spoke of a few highly difficult projects that would promote the mathematics world, making the students in the class even more excited.

If one could join such a project, one could be recorded in history!

After saying that, he smiled. “So, I’ll choose the best students to join us!”

After saying that, he turned to look at Xue Xi. “Alright, I’ll give the time to your teacher. I’ll listen to the class!”

Professor Derry and Feng Xingshen walked to the back of the class.

Xue Xi’s seat was already very far behind. There was only Zhang Hao’s row behind her and a row of empty seats behind.

It was unknown if Professor Derry did it on purpose or casually, but he brought Feng Xingshen and Mr. Guo to sit behind Zhang Hao.

Ever since they sat there, Zhang Hao felt as though he was being pricked by a needle on his butt. He could not sit still. “Ah ah ah, Professor Derry is sitting behind me. I told you that he had his eyes on me just now!”

Xue Xi: “…”

Just as she was thinking this, she received another WeChat message: “Mr. Guo is behind you. You must be careful~”

It was actually from Liu Zhao.

When everyone was still in the dormitory, they’d added each other on WeChat under Li Zixia’s prompting. However, Liu Zhao had never sent her a message, and Xue Xi had actually forgotten that she still had her WeChat.

Liu Zhao, who was sitting in the first row, secretly played with her phone and looked back. She realized that Mr. Guo was glaring at Xue Xi.

She felt even more smug.

She could not help but send Xue Xi another message: “I’m afraid you’ll have to give me this chance.”

Just as she sent that sarcastic-sounding message, she saw a huge red exclamation mark appear on her WeChat!

There was also a notification: You need to add the other party as a friend before you can send a message.

Liu Zhao: “?”

Xue Xi actually blocked her!

Why would such a person stay on her contact list if she had blacklisted her?

Xue Xi had forgotten that there was still this person. Thank you for reminding me. After blacklisting Liu Zhao, Xue Xi put down her phone.

She then listened attentively.

The contents of this class were very exciting. The algebra teacher had also dug out his brains to leave a good impression on Feng Xingshen and Professor Derry.

Xue Xi was also extremely happy.

Math was actually quite interesting, and it was very strict. But it was not as complicated as the human heart. Xue Xi really liked this subject.

Although it was a big class, it was split into two segments. During the mid-break, Professor Derry had wanted to speak to Xue Xi in the name of communicating with the students, but he did not expect Feng Xingshen to hold him back. “Professor Derry, what do you think of our teaching materials?”

Professor Derry could only stay and say a few words to him.

Meanwhile, Mr. Guo had already stood up and greeted the students as though nothing had happened.

Everyone felt awkward.

After all, Mr. Guo had already been expelled from the school after doing such a thing. Everyone was very disappointed in him, but now that he was Professor Derry’s student…

Most of the students did not dare to offend him, but they also looked down on him. Hence, they did not care much and just smiled awkwardly.

Mr. Guo did not care about these people’s opinions at all. As he greeted them, he reached Xue Xi’s side and said to Li Zixia and Xie Yingying, “You guys aren’t too serious in class!”

Who are you pretending to be?

Xie Yingying and Li Zixia lowered their heads and ignored him. They were complaining in their hearts. In the past, they did not think much of Mr. Guo, but now, they found him disgusting.

Mr. Guo finally turned to look at Xue Xi. “On the other hand, Xue Xi is really talented in mathematics. If she had a better chance to study, I think she would definitely be able to reach a higher level.”

Xue Xi looked up at him. “What chance?”

Mr. Guo smiled. “To be an exchange student, of course. Do you want this spot?”

Before Xue Xi could reply, Professor Derry, who was in the next row, pricked up his ears when he saw this.