Optimus squirmed at the contact, head falling back to pant and vent as well as he could with the gag in place. He had to shift other panels and vents wider, allowing the sudden surge of engine heat to escape as his systems revved right back up again.
His valve reacted just as strongly as the rest of him, clenching reflexively, charge receptors and sensory nodes lighting up so fast it was almost painful. The fine, thin valve mesh flexed as it tried and failed to adjust to the soft, teasing invasion like it would a spike. Every twitch of his hips tightened and effected the general shape of his valve; the surge was so strong he didn't even bother fighting the urge to tilt his hips toward Megatron's face, providing easier access.
Suddenly, his only goal was to gain a proper overload.
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branchandroot
no subject
Date: 2012-12-14 11:06 pm (UTC)Optimus squirmed at the contact, head falling back to pant and vent as well as he could with the gag in place. He had to shift other panels and vents wider, allowing the sudden surge of engine heat to escape as his systems revved right back up again.
His valve reacted just as strongly as the rest of him, clenching reflexively, charge receptors and sensory nodes lighting up so fast it was almost painful. The fine, thin valve mesh flexed as it tried and failed to adjust to the soft, teasing invasion like it would a spike. Every twitch of his hips tightened and effected the general shape of his valve; the surge was so strong he didn't even bother fighting the urge to tilt his hips toward Megatron's face, providing easier access.
Suddenly, his only goal was to gain a proper overload.