Sudden God

What would happen if a mortal obtained the greatest power of all? Will they be conceited and abuse the authority they obtain? That's what happened to a man whose name is, Kim Yo-han. He is not ordinary nor extraordinary, he is worse. When the world changed he was at the bottom of the ranking. Betrayed by the people he trusted. His life ended when the blade cut his neck. However, He did not die. He was reborn as God. What will he do with this newfound power?