When Yanchu was hanging around in No. 3 Middle School, he was the eldest son of the school. Until one summer, his younger brother Yan Lin beat up a man named Yang Yan. He thought he would pay a small sum of money and it would be over, but Yang Yan became his deskmate the next day.
Later, he seemed to treat Yang Yan as more than just his deskmate.
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Purpose: Inspiring youth