HP – Her Eyes

Title: Her Eyes
Author: Atra Materia
Fandom/Characters: Harry Potter – Severus/Lily
Rating/Warnings: Adult – Exploration, self-play, and offscreen non-con.
Summary: He hadn’t had to ask the mirror to show him the fairest in the land. It knew who he wanted, and every year, it showed him a little more.
Disclaimer: All content relating directly to Harry Potter, including but not limited to its characters, events, and places, is the property of its original creators.

He’d found the mirror in his second year. At the time, it had been in Dungeon Eight; covered with a musty blanket that revealed only its toes. (AO3 link)