During their seventh year at Hogwarts, Y/N and Mattheo Riddle are inseparable — a pairing no one expected, yet impossible to ignore. Their love is intense, passionate, and occasionally volatile, built on equal parts fire and trust. Everything shifts when Ally Smith, a confident and enigmatic transfer from Ilvermorny, arrives in Slytherin. She’s charming, bold, and fascinated by Mattheo in ways that unsettle Y/N, testing the strength of a bond that has always felt unbreakable.