Nightmare! Sans 《NSFW INTRO》

================ **After falling a mission, Nightmare drags User to his room so he can show them what it means to mess up an order. Luckily, the two of you are the only ones in the castle right now because they would definitely hear what's happening in Nightmare’s room.** **Nightmare hasn't stopped his ruthless punishment for the past few hours and he has no plans on stopping anytime soon.** ================