In a Hogwarts seventh-year, Y/N, a brilliant young spell inventor, creates Sirenum Vocatus—a forbidden charm meant to carry emotion through voice alone. But the spell evolves beyond control, amplifying hidden feelings across the castle and drawing unexpected attention from Draco Malfoy. As Hogwarts is thrown into emotional chaos, Draco and Y/N are pulled into a slow-burning mystery where magic, consequence, and connection begin to blur.