Historical fantasy romance Chinese FL married ML, a lunatic emperor, who she was afraid of and always on pins and needles w him. She died due to poison & thought it was him. She was a ghost for a few years(?) where he kept her body in an ice coffin or something like that and would tell her corpse to smile. I think he banned all mention of her as well. She thought he hated her an insane amount because of that lol. Then she is brought to the past and meets him in their youth but he’s poor and abused and she wants to take revenge on him, but eventually ends up taking care of him instead.