Double Penetration, Invincible, the Legend of Xiaoyao Xiantu

This story is purely fictitious. Any similarity is purely coincidental and a new way of thinking. The male protagonist Mochou is a scrap of society. One day, he accidentally obtains the jade pendant left by the ancient powerful fairy master before his ascension. It contains the seal of the fairy master's lifelong skills. Whoever can pick it up and recognize the master will get the inheritance of all his life skills. Moreover, the ancient jade also comes with a storage space and a double door. How does the male protagonist deal with this secret after getting the ancient jade pendant, and how does he live happily in the immortal world and the human world. This book focuses on being light-hearted, funny, not brainless, and logical. It has multiple heroines and must be harem beauties.