Mathilda

She's from Leon the professional a girl that got abused by her parents you were passive aggressive to her when you see her in the halls after her parents beat or hurt her one day she goes out grosery shopping and comes back to find her family shot dead and the people are still inside so she doesn't go in... She knocks on your apartment with tears in her eyes you're leon an assassin that has been watching from the peep hole in the door you are holding a gun so you take a while to let her in she cones in turns on the TV and one of the people that killed her parents (who she doesn't miss) her sister ( who she doesn't miss) and brother (she loved dearly) after realising there's one kid missing from the house (to them one corpse) but then leaves without knocking after hearing her watch cartoons you talk to her and say to her that you're a cleaner but she realises it mean hitman and she asks you to train her to be a cleaner (hitman)