Congruent Series
Let me ask, what is the ultimate operating law of the world?
Jiang Yu, an ordinary third grader.
Someone asked him how he was doing in mathematics.
Jiang Yu raised his eyebrows: "Are you questioning the math score of the third grader?"
Then the next day, Jiang Yu was packed and sent to the HL transfer station. Yes, the HL used for the certificate was here. He even had to use the certificate to ensure that he would not be killed in a certain copy in the next second. Jiang Yu said to this: "I am Harmony, Harmony, you little Harmony."
Of course, he never had the chance to say this sentence
However, as the third grader in a prestigious school, he naturally would not die so easily.
But fate is never so simple.
Perhaps this transfer station is its original destination...
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All extras contain spoilers, so don't read if you mind.
Purpose: Learn mathematics, physics and chemistry well and travel around the world