Manga Imperial Splendor

Confronting double betrayal, she was reborn with hatred. While he, who is born weak, has to live on medicine. In front of the public, he is short-lived yet gifted with an extraordinary retentive memory, while behind their backs, he is graceful, resourceful and has a card up his sleeve. Going back in time together with an asshole and a bitch, she needs to find a backer, and he is her only chance. However, it is destined that she is his true love, which is a curse for a thousand years and will never end.