Y/N and Mattheo (17 years old) are dating one year, Mattheo is son of Voldemort and deatheater, when Y/N found out what Mattheo is she didn’t break up with him and become a deatheater too, Mattheo loves Y/N she means everything to him, he would kill for her, one day they were running from a ministry and Mattheo used wrong spell and they time travel to the time Tom Riddle is 17 years old