I Have a Skeleton Team

Lin Zheng, a worker with destiny, is a good and law-abiding citizen on earth. That day, he went to work as usual at the company. When he walked to the door of the company, he was opened by a flower pot that fell from upstairs, and then he traveled to the fantasy land of swords and magic. Like many time travellers, he also awakened to the system. As long as he completed the system's tasks, he could upgrade. In this way, he became a necromancer under the guidance of the system and successfully contracted three skeletons. But… Why is this skeleton so rebellious? Why does this skeleton still have a compulsory certificate? And mysophobia? "I am Chaowei, you have summoned me!" What, can this skeleton evolve? … In the 112th year of the imperial calendar, in the tavern of the royal capital. "Hey, have you heard that an adventurer defeated the dragon alone?"