Immortal Nanny, Traveling Around the City with His Two Treasures

A master descends the mountain + city cultivation + invincible novel + cute twins. Three years ago, Li Yun was drugged and met the daughter of the richest man in the Huang family overnight. On the third day, the only cultivator who could overcome tribulations was brought back to the mountain and forcibly accepted him as a disciple. He practiced in seclusion. In a blink of an eye, five years have passed.