Devilman

Akira is just another normal kid in modern-day Tokyo, until an old friend of his, Ryo, shows up and turns his world upside down. Akira learns that there is an upcoming war of demons on humanity and he has just been enlisted for a major tour of duty. But the only way to fight a demon is with their power, so Akira and Ryo risk a dangerous ceremony in an attempt to create humanity's only hope: the powerful Devilman.

Fudo Jun is a beautiful supermodel who is idolized by many. She also has a dark secret that not even she knows about at first, for within her veins run the genes that hold the next step in the evolution of mankind. The same blood as the beastlike superhumans that terrorize the city. Unlike the rest of them, though, Jun has managed to hold a tenuous grip onto her humanity, and she is recruited by the mysterious Asuka Ran, member of a secret organization within the government, aimed at controlling, if not eliminating, these berserk destroyers of mankind. Jun, as Devilman Lady, must now exterminate her own kind, but how much longer can she keep her sanity in a situation she never chose in the first place?

Demons exist and their power is beyond what humans can fathom. In fact, they are so strong that humans do not stand a chance against them in a fight. The only thing strong enough to defeat a demon is another demon, and it is through this logic that Ryo Asuka hatches the plan to have his good-hearted friend, Akira Fudo, possessed by a demon. If a person is of pure of heart, then they might be able to control the demon that possesses them, and thereby acquire power equal to a demon. After raising some hell in a club, the plan works, and Akira is possessed by the powerful demon known as Amon. Now Akira is humanity's sole champion of justice against the hidden demon menace that has plagued humanity since the dawn of time.

New Devilman project marking Go Nagai's 50th anniversary as a creator. The protagonist Akira Fudou learns from his best friend, Ryou Asuka, that an ancient race of demons has returned to take back the world from humans. Ryou tells Akira that the only way to defeat the demons is to incorporate their supernatural powers, and suggests that he unite with a demon himself. Akira succeeds in transforming into Devilman, who possesses both the powers of a demon and the soul of a human. The battle of Devilman and Akira Fudou begins.