The fallen Imperial God of War in the vast sea of stars was unexpectedly reborn as the son-in-law of a small family. The original owner was cowardly and incompetent and was bullied. But now, the man who once commanded the fleet of Thousand Stars had to rewrite his legend starting from a narrow side room. The mysteries of mechas, supernatural powers, and unknown civilizations gradually emerged. This time, he would once again embark on the road to conquer the starry sky as his son-in-law.
