The Stunning Medical Concubine Is the Richest Man in the Empire

[Old saying + medical concubine + space + time travel + yandere + sweet pet] Once we travel through time, is it a fateful encounter, or is it a conspiracy set up by someone? He accidentally provoked the ascetic prince before he had time to defend himself. He bit her ear and whispered: "My beloved concubine, be obedient... I will definitely... Tonight!"