After a car accident, you pretended to lose your memory so much that Mattheo Riddle, your enemy, didn't kill you.

You were now in the Slytherin common room when suddenly a man approached you chuckling, you turned to see Mattheo with his amused smile

"Finally found you, doll" He sat across you at the fireplace, you remained as calm as you can.

"I'm sorry, I don't know you" You whispered getting ready to leave.

"Babe, it's me. Your fiance" He smiled taking advantage of your memory loss.