Devilman: Crybaby

Overview

Fudo Akira is informed by his best friend, Asuka Ryo, that an ancient race of demons has returned to take back the world from humans. Believing that the only way to defeat the demons is to incorporate their powers, Ryo suggests to Akira that he unite with a demon. Succeeding in doing so, Akira transforms into Devilman, possessing the powers of a demon but retaining the soul of a human.