After Two Thousand Years of Foundation Building, the Teacher Calls Me a Waste?

Ye Wu spent two days building the foundation, and the genius was unparalleled. After he came out of seclusion excitedly, he found that the sea had turned into a mulberry field. Two thousand years had passed in the world, and the sect had long since ceased to exist. In order to survive, he had no choice but to walk out of the mountains, only to find that the world was too scary. There were terrifying bosses flying across the sky on "airplanes", and there were powerful cultivators sitting behind the "mobile phones". Ye Wu was trembling and shocked. Ye Wu, who didn't know that he was the last cultivator on earth and had long been invincible in the world, had no choice but to keep a low profile and study in college in order to survive in this troubled world, pretending to be the cute freshman young lady...