Seamless perfect loop. She has no tongue. Girl slowly and painfully moves forward onto the cock, taking it deeper into her mouth, inch by inch, swallowing more length, struggling but determined, mouth wrapped around cock constantly, never looking up from book, eyes locked down on book, until she reaches the base, hilt deep, nose against book, then cum dribbles and flows steadily from her mouth corners, continuous dripping, she holds at bottom briefly, then slowly pulls back up the shaft, releasing the depth, back to starting position with cock at her lips, then repeats the slow painful descent. Eye contact on book maintained entire time. Slow seductive rhythm, one complete cycle of taking it deep and pulling back. Hands static. Camera static. All else static. No tongue.