Work Text:
Megatron moaned with relief as he sank down into the oil bath. "Minimus."
Minimus chuckled as he shed the last layer of his armor, feeling somewhat exposed in his irreducible form. "Yes, dear?"
"Darling," Megatron stressed, "get in the Primus-damned bath."
Minimus cut off his answering laugh with a moan of his own, sinking down until the oil brushed his olfactory.
The two soaked in power-saving silence for a long while before Minimus stood and crawled on top of his lover's frame. "You had a good idea," he said, curling up on top of his frame, surrounded by the warmth of the oil and the warmth of their sparks.
Megatron's only response was to rumble his engine in contentment.