"If only to...what?" Orion asked pointedly, repeating the motion around Megatron's valve. He only glanced up briefly, his own expression kept blank aside from a slight, teasing tilt to his lips.

He re-angled some of his vents, blowing warm air toward the exposed interface as his thumbs finally dipping inside, catching charge with a crackle.

His own spike was already growing insistent behind his paneling, but Orion wanted to drink in the sight of Megatron exposed before him first. His engine purring ramped up a notch, and he slipped a single thumb inside up to the knuckle.