pls help !!

so theres a yaoi (potentially shounen ai) manhwa and its rlly famous, smth abt "king", and theres this guy (doctor i think?) and he befriends this statue guy and then the statue guy breaks apart, but mc gets reincarnated (kinda) into the past and real life guy of the statue is there, and hes the king of the place n at first they ordered his assassination but smth happened (plot armour) and he didnt get assassinated, and theres one scene where the king and mc meet in like a library and king introduces himself w some cute ass nickname that NO ONE calls him, and king has a younger brother whos like lowkey evil i think and he has a rebellion or something against the king??? idk if my explanation is js shite but if someone cud tell me the name id be eternally grateful!