Baphomet669 about 9 years ago I wasn't sure how to tag what she's doing... knee_job? leg_job? little help here? :S
RiderFan about 9 years ago Apparently it is called 膝裏コキ (Hizura Koki) or knee-pit sex. Despite an earlier search of images tagged with バイス this image didn't come up. Its a well drawn Vice compared to most of her artwork.