Camelot

Hisirdoux Casperan, apprentice to Merlin, had been sent to the mortal realm to protect the mortals and finish the tasks given to him.... unknown to him and his familiar, an old student of Morgana Le Fay had been sent there by his master as well...

(Douxie x Oc fic, inspired by Almost A Thousand Years by alovesongshewrote on Tumblr and Ao3)