Kuro no Senki Isekai Teni Shita Boku ga Saikyou na no wa Bed no Ue dake no You desu

Kurono Crawford Chrono Crawford a noble of Cepheus Empire had a secret It was that he came from a Different world Modern Japan Having the knowledge about the modern weapons and his sense of values he was an existence almost like a cheat aiming to be the Harem kingAbandoned by his superiors left in command of the Empires rejects consisting of demihumans such as Minotaurs Dwarfs and Elves and thrust into a position as head of a poor fiefdom Chrono will do everything he can to rebuild and strengthen his forces and revitalize the land aided in part by his knowledge of the other worldDescription from NU