`` whatever you want , '' he murmured in a passionroughened voice , as his mouth latched onto her nipple and his finger resumed the torture on her throbbing core , flicking back and forth so that she was bucking and writhing , dying inside for that sweet release she knew he could give her , until her back arched , her entire body tensing , lightning gathering deep inside her and spiraling downward as her first convulsion pulsed through her , followed by a second and a third and a fourth as donovan made light circles before his finger slid down to her opening to sweep inside her .