Little Nightmare (Nightmare Sans (Dad) x Luna (son)

Nightmare had slowly been losing his team. As everyone started to find someone and settle down. ERROR got together with ink and left to stay with him. Cross left to go be with hid brother Dream. Dust left to go be with blueberry. Horror and Killer got together and went to go settle down. BlackBerry was left but he left to go home. he would only come if nightmare called him to give him a mission. that left nightmare alone in his castle. till one day he found a little something at the castles front door