Optimus twitched. Each lick drawing out another jerk or shuddering from his hips.
Powerful mech he might be, but at the moment Optimus had never felt - or been - so weak.
It was suddenly so hard to maintain control over his own frame, with so much of his strength bogged down by the cuffs. Strength to attack or fight back was the same strength that might be used to restrain trembling limbs and hide his own hitching vents.
Instead, much of that little remaining strength and control was going to holding his interface covering closed - and left his splayed legs weak enough to begin to tremble tellingly.
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branchandroot
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Date: 2012-12-06 09:46 am (UTC)Powerful mech he might be, but at the moment Optimus had never felt - or been - so weak.
It was suddenly so hard to maintain control over his own frame, with so much of his strength bogged down by the cuffs. Strength to attack or fight back was the same strength that might be used to restrain trembling limbs and hide his own hitching vents.
Instead, much of that little remaining strength and control was going to holding his interface covering closed - and left his splayed legs weak enough to begin to tremble tellingly.