22-year-old Qin Shiyan is the youngest mathematics PhD at the Academy of Sciences.
Perhaps he inherited Chen Lan's mathematical genes, so he has been an excellent student since childhood and is a well-known genius who can skip grades.
He was sent to study in Country Y by his country. After obtaining his doctorate degree, he resolutely rejected a series of olive branches from abroad and decided to return to serve his country.
It is precisely because the Qin family has produced someone like Qin Shiyan that the Qin couple naturally believe that even if Qin Siyang goes directly from elementary school to high school, there will not be any big problems.
Qin Siyang is not welcome in the Qin family. On the one hand, there is no affection, and on the other hand, compared with her outstanding brother, she is too mediocre and cannot meet the expectations of the Qin couple.
They could not accept their child's mediocrity, and Qin Zhenzhen realized this, so she chose to use Qiao Zhenggang to cheat.
Qin Shiyan is a workaholic. Although the Academy of Sciences is not far from the Qin family's residence, he seldom goes back and basically stays in the company dormitory.
When Qin Siyang was taken back to the Qin family, he made a special trip back. He was wearing gold-rimmed glasses and had a noble and calm temperament.
He would smile at her, and when she was wronged he would not scold her like others did, but would touch her head gently and tell her: Yangyang, be good.
Although he went home less often, he would bring her peach cakes every time he went back, and only for her.
If there was anything that made the original owner stay in the Qin family for three years, it would probably be Qin Shiyan's gentle gaze and the peach cakes he brought her from time to time.
It’s a pity that Qin Shiyan rarely goes home. He doesn’t interfere in any family affairs and devotes all his attention to his work.
He cared about Qin Siyang, but not deeply.
He is also different from his elder brother Qin Lingxiao. He does not put the shackles of being an older brother on himself. He spends more time being himself.
If you ask how the original owner felt about his second brother, there should be a slight hint of family affection.
In fact, if Qin Zhenzhen hadn't existed, Qin Shiyan would have been the most favored child in the Qin family.
But Qin Shiyan was not dissatisfied with this at all. On the contrary, although his attitude towards Qin Zhenzhen was not as doting as Qin Lingxiao, it was still acceptable.
Even after he found out that Qin Zhenzhen was not his biological sister, he did not reject her too much and still accepted her as always.
At this moment, Qin Zhenzhen was throwing herself on Qin Shiyan's shoulder to express her grievances, but he did not react much. Instead, he patted her back lightly and chose to listen.
"It seems that I came at the wrong time? Did I disturb your reunion with your siblings?" Si Yang walked over calmly.
"Are you... Yangyang?" Qin Shiyan stood up from the stool, and his eyes looking at Si Yang changed from inquiry to surprise.
"It's rare for a great inventor to recognize it at first sight." Si Yang laughed teasingly.
"You've changed so much. If it weren't for the cinnabar mole at the corner of your eye, I really wouldn't have recognized you."
"Stop talking about these irrelevant things. Aren't you looking for me?" Si Yang put away his unnecessary emotions and calmly got straight to the point.
"Looking for you?"
Qin Shiyan was stunned for a moment, then he reacted, "Si Yang? Si Yang? It turns out that it was you who wrote the letter to our Satellite Design Institute?" The surprise in Qin Shiyan's eyes was followed by unbelievable shock.
"Yes, it's me."
Qin Shiyan smiled softly and helplessly, "Fortunately, second brother brought peach cakes to us Yangyang again this time."
Si Yang's smile didn't reach his eyes. "I'm no longer the silly girl who used to look forward to eating peach cakes."
Qin Shiyan didn't notice her subtle change in mood. His mind was filled with a single voice: "I knew it. How could my sister be an ordinary person?"
However, now that we know that Si Yang is the one who wrote the letter, some things can be explained.
For example, how did the letter writer know that there was a problem with their satellite orbit data, and where exactly was it stuck?
Qin Shiyan and Chen Lan had inadvertently mentioned these issues in front of Qin Siyang.
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