He was dissatisfied, dissatisfied with his loneliness.
"He" is dissatisfied, dissatisfied with his own mediocrity.
So, he came to this noisy city and this lively school. Wear clumsy black-rimmed glasses, hide your intelligence, and just live an ordinary life.
So "he" came to this lively city and this noisy school. Trying to become the most famous person in this school in order to live an extraordinary life.
So, the two met in this city to get rid of their past selves and pursue a new self.
He successfully hid himself. Ordinary wisdom, ordinary appearance, ordinary personality, everything is as ordinary as he imagined.
"He" successfully highlighted himself. With his handsome appearance and cheerful personality, he instantly became a man of the hour.