Tarn bites his lip and Megatron's fingers tighten on him and he thrusts viciously. Progress

He braces his hands on Megatron's abdomen, claws biting into the armor just above hose vents. The blasting of heat onto Tarn's node has him grinding down as he bottoms out, mouth open in a soundless groan.

"L-Lord Megatron..." His voice is low and breathy as he offlines his optics, pretending for just one moment that nothing has changed.