 And I'm straddling her back as if I was riding a dog or something, but backward, my knees resting on the mattress, my half hard. And I'm facing Sabrina, who is staring at one more. She's spread open ASS with a determined expression. Her smile seems torture, and she's wetting her own lips by f***ing herself and tracing her glistening index finger across them like she's applying lip gloss. With both my hands, I keep Christy's ASS and...