quack on a rack

im looking for a yaoi its a historical one i read it a while ago so bear with me with my lack of info.

ok so the mc is a slave and he keeps dying and keep repeating his lifetime
he tries to avoid the emperor cz he knows the outcome but still ends up having s*x with him.
and in this lifetime hes in the emporor started to change

sum like that idk i dont remeber if anyone can go by that info tho PLZ HELP ╥﹏╥