It was awkward. The timing, the damned ring gag in the way... He was still so very angry with Megatron.

But it still felt so good.

Almost as good as that spike hitting and fitting into every nook and ridge of his valve. Every shift of Megatron's hips, calipers firing off rhythm as the little prickles of charge passed between them.

Optimus writhed, thighs clamping down on Megatron's hips as he valve fluttered tight and pulled him in.