Brother Ming: Am I Extremely Evil? My Brother Is the Devil!

The genius scientist Satan traveled through the world of pirates, bound to the black technology system, and became Doflamingo's biological brother. In order to realize his ambition, Satan carried out experiments crazily and broke through one scientific research problem after another in the world! Little did he know that his unintentional move would become a nightmare for countless people! Doflamingo: My eldest brother has been my psychological shadow since childhood, the existence of nightmares! Kaido: If you weren't his biological brother, you would have died long ago! As Satan's experiment, I want to accuse the Navy of Satan's inhumane experiments! Whitebeard: In order to save Ace, I made a deal with the devil! That day, after having dominated the sea for many years, I felt my own insignificance! Celestial Dragon: Please don't miss me, every Celestial Dragon can't forget the fear of being dominated by him! World Government: You are afraid of his powerful scientific talent, but we are even more frightened by his terrifying strength! … Satan: I heard someone is talking about me? Come on, I'm just an ordinary scientist. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.