He slowed at the sensation of Megatron swallowing, unsure if he was pushing too hard on a boundary line. The relief of Megatron's relaxation after the tension made the triumph all the sweeter. Stance and field only strengthening with pride, Orion carefully worked the cloth along Megatron's throat, polishing delicate cables until they shone.

Seeing it was like a mark; a mark he had freely made. 'I'm allowed to touch this'. Orion couldn't stop purring, the sound joining with Megatron's until the whole room rumbled.

"You can turn your optics back on - fifty percent illumination only." Orion allowed after a moment. Even after his success with that tension, he didn't want to push it - especially with what he was planning on doing next. His foot shifted, shin plates boldly pressing up against Megatron's notably heated panel and scraping. His grin went wide.

"Release your hands and lean back, Megatron. I find myself wanting to have my way with you."