Street Fighter Alpha: Generations (Dub)

When Ryu returns to pay homage to his deceased mentor, Gouken, he is tormented by disturbing memories of his master's killer. In a quest to become a true martial arts master, Ryu sets out to hone his street fighting skills and to deliver himself from the haunting legacy of the Dark Hadou. But the ultimate test of his new power can only be accomplished through one last fateful confrontation with his arch-nemesis, Gouki (Akuma). (Source: AniDB)Ryu, the current Street Fighter champion, must overcome the power of the "Dark Hadou" which consumed Akuma, the brother of his sensei, Gouken. Plus, he deals with the unexpected arrival of Shun, a young boy who proclaims to be his long-lost brother.