Optimus couldn't help but be a little disappointed as his view was blocked. He certainly didn't need to see to continue his explorations, tendrils curling tauntingly, but he wanted to witness the tiny twitches he could feel every time Megatron's self-control was tested.

"I'm sure you will, eventually."

He curled the cables, flicking one along Megatron's length before sliding them both back, past the rim of his valve before wiggling them up along his hip joint gaps. He leaned in, catching a finger under Megatron's helm to lift his face back up, fingertips stroking his jaw.

"But not yet."