MTL - Billion Technology Crystal System - Chapter 781 : Effects of Class 2 Flares!

Xu Yiyang, who was only late in his life when he was middle-aged, returned to 1999 in a dream.

At the turn of the millennium and the turn of the century, he realized a truth:
Not only to be famous early, to start a business and make money, but also early!
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- Description from Uukanshu

Spot was summoned from his comfortable charging pad and familiar floors to a world of magic and intrigue. After the flight of his new patrons, he is left to care for a filthy castle. During his quest to keep this new home clean, he will face demons, foreign armies, and the dreaded stairs.All those who stand before him will be swept away. Those who follow his spotless trail will find enlightenment, purity, and a world on its knees.Follow this wholesome vacuum on his quest to power.

Life never seems to go Huai Shi's way. No friends, no family, no money... And when he tries to get a job with his cello at a club, he almost becomes a gigolo! This is no way for a main character with a cheat code to live... But when the supernatural finally starts catching up with him, he begins to wish it never did.