The Strongest Villainous Demon Dad

"I'll do anything to protect her" Lord Levi is an unrivaled demon king, in a world governed by the strongest of beings, in an attempt to destroy the human race with his undead invasions, he died for some reasons he couldn't tell. However, he Reincarnated with a human gene, with no evidence to prove he was the demon king or even a demon. Underneath his creed of becoming the strongest being, Levi discovers some threats that could wipe out the entire human gene, and an immense invasion plotted to end the human gene, an invasion which he had ordered. This left King Levi to question the reasons for his reincarnation with a human gene, and also a human daughter.