Is it over? Screen went black... And gotta agree with Kasaix, Mercy and Tracer. But for a non relationship side of things, Sombra. Reason for that is because if the heartless Widowmaker shows some heart to some random low grade human, she and the rest of talon will be curious as to who he is and look him up. Sombra or Reaper might already know of him, might not. All up to you.