The Loser Janitor is the Ultimate Legend

Three decades ago, Grand Duke Cyril defeated an alien invasion, but the battle cost him his wife. Ever since, he has lived quietly as a janitor, raising his son and turning down every offer of riches or rank. When a rescue leads to a match with a wealthy businesswoman, he is looked down on as unworthy, yet he keeps his silence. The aliens are now coming back, and the corporations must decide whether to protect the struggling people below them.