In a world where superpowers are commonplace, Yang Xifa swore bloody revenge on those who harmed his dear sister. He will use his ability to take away other's powers to build himself up from an innocent bystander to become the leader of a powerful organization. Combining his strength and smarts to defeat the evil-doers, he will collect 999 abilities and become the most powerful hero in the world! (Source: Anilist (Bilibili, translated))