It's Been Years Since I Was a Big Shot

Reborn in a parallel world with the memories of ten lifetimes, he writes poems and lyrics at one, tackles math at two, masters the languages of the world at three, excels at both biology and chemistry at four, rises to the top of the internet at five, stirs up the stock market at six, wins the sword debate on Mount Hua at seven, and plays celestial chess with the masters of Wudang at eight...

At twenty, Qin Chuan retires at the peak of his success and opens a general store by an elementary school. He has lived a quiet life there for seven years.