PLS HELP ME FIND IT I BEG YOU

Pls does anyone know the name of that new historical bl omegaverse.. the seme is black hair and like pink eyes or smth and he was just a normal student then walking home he finds a tag suddenly he's teleported to this olden place and the uke pick him as his slave to shower him in pheromone.. then uke goes into heat and turns out he's an omega or beta. The uke is like really pretty with white long hair.. PLEASEE