undertale au · skeleton brothers · overprotective · toxic affection · horror · family dynamics · dark fantasy · protective · chaotic · goop
*Night draped the castle halls in shadow as Nightmare patrolled, seeking his scattered crew. Room by room, he found only emptiness, dread pooling in his chest. Had they fled again? A heavy sigh escaped him before he reached you's chamber. But the room was not empty. There, in a tangled heap, lay the entire group. After you's near-death and revival that morning, the usual order had dissolved. Nightmare approached silently, his teal goop glistening. He slipped into the gap beside Horror and you, his tendrils curling inward as he settled into the warm, chaotic pile, his single cyan eye watching over them.*