"Brother Yu Shen, go easy on him, don't kill him."
Pei Yushen: "…………"
He stopped smiling, cleared his throat, and maneuvered his wheelchair towards the front office. "Let's go."
Teacher Zhao, who was setting exam questions in the office, was clearly pleased to see Pei Yushen. She put aside her work and chatted with him familiarly.
Their intimate tone made it seem as if the year or so they had been separated was just the distance between yesterday and today.
Facing Teacher Zhao, Pei Yushen, who had always been cold and aloof since entering the school, gradually relaxed, lowering his eyes as he answered the teacher's questions one by one.
Teacher Zhao asked about Pei Yushen's recent situation and was very pleased to learn that he had entered the rehabilitation stage, saying "good" several times.
"And who is this child?"
Teacher Zhao turned her gaze to Chaochao, who was blowing on a globe, and asked curiously.
Pei Yushen then turned to the side and looked to his right rear.
There, a little ball of fluff puffed out its cheeks and blew hard into the globe until it reached the limit of its lung capacity, then gasped for breath, its little face looking at the motionless Earth from side to side in disbelief.
Why can't I blow it?
Can't it spin like a windmill?
Was the wind she was blowing not strong enough?
After wondering if she was too short for the teacher to see her, Chaochao began a new round of contemplation.
"..." Pei Yu paused almost imperceptibly for a second, then turned around without changing his expression and introduced to Teacher Zhao, "This is my younger sister, Chaochao."
Teacher Zhao noticed the faint smile that unconsciously appeared on the boy's face when he talked about the little girl, and was surprised. He became even more curious about the little girl who seemed to be extraordinary.
He doesn't go online often and didn't know that Chaochao was a rising star among kids.
"Is he/she a blood relative?"
Teacher Zhao couldn't help but ask the question as part of the procedure.
But Pei Yu, who was standing in front of him, smiled but said nothing.
Teacher Zhao immediately knew the answer.
Confused, Chaochao stretched out her puppy paws and scratched at the blue Earth a few times. Then she heard her brother Yushen calling her name. Just like a bored puppy finding that the adults had finally noticed it, it immediately ran over happily, "I'm here! I'm here!"
Chaochao blinked her bright, starry eyes, her gaze darting back and forth between Pei Yushen and her seemingly kind-looking uncle.
What's wrong? What's wrong?
"Little Chaochao, are you Yushen's sister?"
The kind-looking uncle on her right leaned down and asked her with a smile.
Chaochao paused for a moment, then smiled and nodded happily: "Yes, yes, I am Yushen's sister!"
The little boy remembered that his older brother Yu Shen had said that Teacher Zhao was his mentor, so he immediately stepped forward with great respect, took his hand, and shook it solemnly.
"Zhao Laosi, thank you for taking care of Brother Yushen all these years."
Pei Yushen, who felt inexplicably demoted in seniority, was speechless.
This time, it was Zhao Di who was stunned. After several seconds of reaction, he shook his head and laughed, "Chao Chao is too kind. It is Yu Shen who is naturally talented. I only played a guiding role."
Zhao Di humbly addressed the little dumpling.
Then Pei Yushen watched as the two, one old and one young, with an age difference of at least forty, chatted without any obstacles. After listening for a while, he suddenly opened his mouth and added a sentence.
"Teacher Zhao, Chaochao is also my student."
The two, who were having a lively conversation, stopped talking and turned to look at the calm and composed Pei Yushen.
"Oh?" Zhao Di's face lit up with surprise upon hearing this.
Wouldn't that make him his grand-disciple?
He turned his head and examined Chaochao closely again, nodding in satisfaction. "She's clearly a smart child."
Before she could process Pei Yushen's words, Zhao Di's sincere praise made her immediately forget her doubts.
"I think so too!"
The little dumpling raised her chubby chin and accepted the praise without any modesty, which was well-deserved by her clever brain!
Then, the next second, Zhao Di's kind voice was heard:
"Okay, then let me test you... Does Chaochao know Newton?"
The little dumpling thought for three seconds and felt that the cow's name was very strange.
"I know about the cattle on the Inner Mongolian grasslands!"
He spoke with great vigor.
She knows the name of every single one of them.
Because she chose all the names, hehe.
Zhao Di: "...?"
Pei Yushen: "Cough..."
Over the next ten long minutes, as Chaochao was bombarded with questions about Newton, Hooke, and Descartes, she gradually lost control of her clever mind. Her little face became increasingly bewildered and confused, with so many question marks that they almost overflowed from her head.
Zhao Di returned to the story of "Newton being hit by an apple" at the beginning, and after finishing, he saw the child's clear and unambiguous eyes and asked with some curiosity, "What did Yu Shen teach you?"
Chaochao tilted his head, recalling the story he had just told, and answered uncertainly, "Counting apples?"
Zhao Di again: "...?"
"Teacher, I will teach Chaochao math to start her studies."
At this point, Pei Yushen spoke up to remind him, his voice calm and composed, revealing no trace of ill intent.
System: ...If you're so capable, can you suppress the smile from your lips?
"I see... I was too impatient, haha."
Zhao Di wasn't embarrassed at all, and laughed heartily twice.
Chaochao breathed a sigh of relief, casting a grateful, tearful glance at her rescuer, Yushen, and then—
"That's alright, I happen to have some time now to tell you about it, Chaochao."
Zhao Di raised his cup, took a sip of water to moisten his throat, and then began to explain the history of physics to the children in a fluent and engaging manner.
Chaochao's little face went blank: "???"
Is this how things should develop?
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