I Somehow Became the Demon King

Cheng Feng, a timid office worker who’s used to being bullied, accidentally bonds with a System and is transported into another world as the Demon King of Dongzhou. From then on, his life takes a completely different turn. He saves people with one hand and slays enemies with the other. Not only does he put an end to the contempt and mockery he once faced and win the heart of a beauty, he also rises to the pinnacle of power in this otherworldly realm...