In the dimly lit garage, the mechanic's hands tremble as he positions the hose, the anticipation palpable. The customer's wet, glistening cunt gapes slightly, inviting the water's intrusion. As the first blast hits her depths, she gasps, her body jerking in response. The mechanic's eyes are glued to her ass, watching it clench and release as the water rushes in, filling her, cleansing her, driving her wild with unexpected pleasure.