Hideo Ogata

After hitting a passing spaceship and causing it to crash, a troupe of aliens and robots rescue the only survivor. It is a human baby named Corona that they decide to raise on their own, using the data they retrieved from the computer to mimic the life she would have had on Earth.

When the school Karate club's star fighter quits and decides to go pro, he unwittingly fulfills an ancient interdimensional prophecy and becomes demon king of his dimension. Soon his high school becomes a battleground for demon slaying samurai, interplanetary law enforcement, and even his own traitorous demon minions. Well animated fight scenes ensue.