Sister Taozi, Don't Be Afraid of the Little Monsters. I Am the Dragon King and the God of War.

He is a young genius from the Disheartened Planet. Ten years ago, he destroyed the planet and led five supermen to dominate the sky. Ten years later, he returned low-key, married into Taozi's family, and became sister Taozi's fiancé. He originally wanted to spend the rest of his life as an ordinary person, but he didn't want sister Taozi to be assassinated repeatedly... Today let's see how my little monster conquers an ambiguous world, transcends eternity, and rivals the gods!