Enslavement of the emperor

"Ha? What is going on? Where am I? What is this pathetic appearance?" Suddenly "Oh what slave come quickly and clean my shoes?" James Delphon was the emperor of the Nine Kingdoms in his world, but he died at the age of 134 years after an illness he suffered in his fight with his last opponent in the ruling struggle, and now he woke up in a world he was in the lowest class in society, so what will he do?