Chapter 548: The Proof Problem I Want to Do

Ning Li’s heart skipped a beat, and she turned around to look.

“Second Brother?”

Lu Huaiyu was very different today.

He did not wear his usual shirt and trousers. Instead, he had changed into a loose and comfortable black casual outfit.

Lu Huaiyu always gave the impression of being noble, aloof, and untouchable.

However, today, he was carefree, leisurely, and laidback. At first glance, he looked just like a university senior who had not graduated yet.

However, because he had completed his university studies early and had already been in charge of the Lu Corporation for a long time, he naturally carried the aura of a superior. This was why people often forgot that he was indeed only 22 years old.

He was indeed at the age where a normal boy would have only just entered his fourth year of university.

“What? We haven’t seen each other for a few days, and now you don’t recognize your boyfriend?”

Lu Huaiyu smiled lazily. Then, he handed over a notebook.

“Homework.”

Ning Li, “…”

Who could make Lu Huaiyu do homework?!

What’s more, it was for the Advanced Mathematics course that he had completed many years ago!

Ning Li paused.

“Second Brother, but you didn’t even know what our homework was, right? How did you do it?”

“Oh, this.” Lu Huaiyu’s lips curled up slightly. “Didn’t you photograph it for me to see?”

Recently, Ning Li had often taken pictures of the Advanced Mathematics books for him to see. Occasionally, she had also taken shots of the questions. She probably really had taken pictures of the homework for him.

She was silent for a moment, but she still did not accept his answer.

“Your name is not registered for this class, so I can’t accept this homework.”

The tips of Lu Huaiyu’s brows raised slightly.

Before he could say anything, Professor Fang walked in.

“Yo, when did the class have a new student?”

Lu Huaiyu turned around and greeted him with a smile.

“Professor Fang.”

Professor Fang’s gaze swept across the notebook in his hand, and he smiled.

“I really didn’t expect to see you attend my lesson for the second time in this lifetime.”

Ning Li, “…”

Lu Huaiyu did not seem to notice the mockery in his words at all. He smiled and said, “Teacher Shen said that your lecture was exceptionally good. Ah Li also said that if there was no perfect score in the learning process, then there would be no sense of accomplishment. I thought about it and realized that it was indeed a huge loss that I had missed out on listening to your lecture back. So, after thinking about it, I decided to come back and make up for it.”

His expression was especially sincere.

“Professor Fang, you wouldn’t disagree, right?”

Professor Fang replied with an ‘Oh’ and looked at Ning Li.

“And Shen Zhijin had such an awareness?”

Ning Li braced herself as she replied, “… Yes…”

Professor Fang finally looked satisfied. He thought for a while and said with a gentle expression, “In that case, it’s fine.

“If that’s the case, we should look for an opportunity to have an open class with your institute. At that time, we can also invite Shen Zhijin to come and listen as well.”

Ning Li’s eyelids twitched.

However, Professor Fang seemed to think that this was a particularly good idea, and his mood improved greatly.

He smiled and extended his hand to Lu Huaiyu.

“Can I have a look at your homework?”

Lu Huaiyu’s lips curved slightly as he handed it over.

Professor Fang sighed.

“Thinking back, I don’t you ever handed in your homework–”

He stopped speaking abruptly.

He looked at the two words “Ning Li” on the homework book and fell silent.

The handwriting was strong and forceful, with iron and silver hooks drawn on it. It was very beautiful.

Professor Fang raised his eyes and looked at Lu Huaiyu.

“Which one of you did this then?”

It was at that moment that Ning Li also saw that her name had been written on the workbook.

In the next moment, she heard Lu Huaiyu say very sincerely, “Professor Fang, this is the homework that I helped my girlfriend with. She has been busy studying Advanced Mathematics recently, and she doesn’t even have time to see me. So I thought, I’ll help her with this assignment so that at least she can spare some time to have a meal with me.

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“It hasn’t been easy for me to find a girlfriend. So, could you… accommodate me?”

…

With the burning gazes of the hundreds of people in the large lecture hall upon them, Ning Li and Lu Huaiyu sat down in the last row.

The book on Ning Li’s desk was open. Professor Fang was speaking at the podium, but she did not hear a single word.

She could not wait to leave!

There was no other time that she regretted provoking Lu Huaiyu more than now.

She had merely been getting back at him and Shen Zhijin for the blame that had been thrown at her, but in the end–

As expected, Lu Huaiyu would never suffer a loss!

From time to time, people in front of them would turn around to look at them, their expressions filled with curiosity, surprise, and excitement…

Everyone’s attention was clearly not on this class.

Ning Li held her forehead helplessly. From the corner of her eye, she caught a glimpse of the man sitting next to her. He was staring intently at the blackboard.

The lines on his side profile were smooth and perfect. Whenever he put in his effort to do something, his pair of deep phoenix eyes became darker and darker.

It was another kind of subtle and alluring temperament.

Ning Li was a little dazed as her thoughts drifted away.

However, just then, she suddenly felt a warm touch under the desk.

Lu Huaiyu had reached out to quietly hold her hand.

Ning Li was slightly shocked.

On the surface, Lu Huaiyu was still listening to the class very seriously.

He seemed so clear and clean.

Anyone who looked at him would think that his mind was completely focused only on the large section of functions on the blackboard.

No one could have guessed that his hand, which was under the table, was actually holding hers. It came with an indescribable ambiguity and warmth.

The early autumn afternoon sun still carried a trace of heat.

Only the chirping of cicadas could be heard outside the window. Occasionally, the wind would blow and shake the shadows of the trees.

The air conditioner in the classroom was blowing. Some people were drowsy, while others were distracted.

She could even see his eyelashes clearly as the light reflected in the depths of his eyes.

His left hand was intertwined with the ten fingers of her right hand.

Professor Fang’s voice came from the podium.

“I’ll give you five minutes to write down this proof question.”

The rustling sound of the tip of the pen falling on the paper came from the classroom.

Many people lowered their heads and began to write.

Lu Huaiyu also withdrew his gaze. He took Ning Li’s book and randomly picked a pen from her pencil case.

Ning Li wanted to let go of his hand, but he held her tightly, unable to break free.

He smiled.

“I’ll write first, then you can see if it’s right.”

Ning Li could not win, so she let him be.

Lu Huaiyu had gotten a perfect for Advanced Mathematics. Such a simple question was certainly not a problem for him.

In the blank space above her book, Lu Huaiyu placed the pen down.

However, after waiting for a while, Lu Huaiyu did not move.

Ning Li waited for a while and could not help but look at him.

“Second Brother, why haven’t you written anything yet?”

The corners of Lu Huaiyu’s lips curled up.

“I don’t know how to. Can you teach me?”

Ning Li glared at him.

If he did not know how to solve it, then no one else should even bother to learn.

Lu Huaiyu was seduced by her glittering gaze.

He looked at her.

She was sitting next to him. Their hands were clasped under the table, and she leaned over, almost leaning against his shoulder.

His heart felt slightly moved, and he finally lowered his head and kissed her soft cheek.

Ning Li was caught off guard. She immediately looked over, her eyes wide open.

“I don’t want to write that proof question.”

Lu Huaiyu looked straight into her eyes. His voice was very low, and there was a smile on his lips as he said, “I just want to be in class with you.

“And I also want to prove that I like you.”