Why Do All Mine Have Villain Templates?

Me who traveled through Qingyang Realm I started out as a young man from a rich family and I still haven't been able to show off. But the awakening system loaded the Pu Demon King template, By the way, why would I load such a template? I am the protagonist, can I change the system? I want the Huangtian Emperor template, I want the Ye Tiandi template, Even if it doesn't work, I can use the Yandi template. Thirty years in Hedong, thirty years in Hexi. Don't bully young people into poverty. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.