The human civilization that originated on the earth once occupied most of the galaxy, and tens of thousands of races became vassals of mankind... Could it be that human is really the best race, destined to be the overlord of the galaxy, and other races are destined never to be? Turn over? Humans, don’t be too proud! Just here to witness, the journey of human beings from glory to decline, long live the monster empire! Long live the machine kingdom! It is available for sale, and readers who like it can support it, thank you.