[Initially, David's only response is to rest a finger over Lucas's mouth with a soft shh. God, he's got a really nice mouth...
Then he ducks his head to mouth at Lucas's neck and throat, alternating between slightly parted lips and teasing flicks of tongue. All the while he keeps sneaking his fingers just under Lucas's shirt, that sudden shift in his expression right at the front of David's mind. It's both fun and unexpectedly hot to wipe the smile off Lucas's face.]
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Then he ducks his head to mouth at Lucas's neck and throat, alternating between slightly parted lips and teasing flicks of tongue. All the while he keeps sneaking his fingers just under Lucas's shirt, that sudden shift in his expression right at the front of David's mind. It's both fun and unexpectedly hot to wipe the smile off Lucas's face.]