"mmhmm."  Yaxley was moving in her mouth now, fucking her throat, gripping her head to him each time he plunged into her, groaning.  This exchange seemed to turn him on even more and he thrusted harder, making her gag on his cock, as Narcissa continued fingering her clit and whispering to her.  Severus squeezed the hand he still held as she writhed on the table.  With what conscious thought she had she explored Narcissa’s pussy, the first time she had ever touched a woman, and was pleased when the Malfoy matron moaned in appreciation.