[Birkin's moans quickly turn to whimpers as he clutches onto the counter behind him and tries to keep his hips from bucking] Oh god.

[He starts shaking his head side to side and tugging Stein back by his hair] I-If you keep... I'll... J-just stop. [It was hardly the best blowjob ever, but the image of the usually dominant Stein down on his knees was undeniably arousing. Birkin makes a mental note to head over to the surveillance room later]