Work Text:
"Why do you usually hold me with your tentacles?"
"Do you dislike that? I can stop, if you prefer."
"No, I just... I wanna hold your hand, or be held in your arms too sometimes."
"Do you prefer the bone, then?"
"I want all of you. Gimme that eight limb experience, baby."
His browbone raises and all four tentacles split evenly in two with a flare of his lidded eyelight.
"OH MY GOD, shut up!!" you laugh, grabbing for his hands and cuddling down next to him until his arms were around you and you could hoist one bony leg over your hip. The eight tentacles draped around you carefully, only holding tighter when you squeezed him.
Nightmare was still relatively stiff. But, looking up at him, his expression seemed more hesitant than uncomfortable. Your lips quirked in a smile, and his head tilted. He regarded you with... something, as his eyelight dilated ever so slightly.
A random squelching noise made you both grin like idiots.
They just happened with him sometimes.
Over time, Nightmare relaxed around you, tentacles curling and petting idly as you talked about unimportant things in fanciful ways.