Something in Megatron's relaxation pinged at the deeper parts of Orion's processor. He didn't know what it was, but it made heat rush through his circuits, suffusing his frame with a tingle of arousal so strong he nearly stumbled.

Instead, he clutched at the larger frame, wrapping wide lips around willingly barred throat cabling to mouth with eager abandon.

He wasn't expecting Megatron's overload and the twisting tightness of his well-fragged valve. Orion tipped over after him, a uncharacteristic roar echoing out against Megatron's throat as his electric charge spilled out into the other mech.