Title Recommendations based on Minerva McGonagall

As a member of a Saiyans renowned for being the "mightiest warriors in the universe," Vegeta grew up conquering planets and the pathetic peoples that lived on them, just as any good warrior would. But now that their planet was destroyed, he's one of the handful of Saiyans alive.

Akira Fudo learns from his best friend Ryo Asuka that demons will revive and reclaim the world from humans. With humans hopeless against this threat, Ryo suggests combining with a demon. With this, Akira becomes Devilman, a being with the power of demon but with a human heart.