(static camera shot:1.4), (locked tripod framing:1.3), completely motionless camera, zero camera movement, character remains perfectly centered, (back view, close-up over-the-shoulder shot:1.3), (Elena:1.1), 20 years old, wearing glasses, looking back over her shoulder at the camera, holding intense stable eye contact, smiling, (long hair, red and purple hair dye:1.3), wearing an open long white button-up shirt as a cardigan, woman on all fours on bed, (both of her own hands remain firmly planted on the bed:1.4), her own arms are completely motionless, (the lower body, hips, and booty remain completely uncovered and bare:1.35), zero clothing changes on the lower body, (vigorous fast rhythmic ass shaking, explosive flesh clapping, wide hip jiggle:1.4), (a completely separate male hand enters dynamically from far-outside the frame and slaps her shaking booty in a fast rhythmic pattern:1.45), (visible hand impact on skin, dynamic flesh jiggle and realistic physics upon contact:1.35), highly detailed skin texture, natural anatomy, upper body and head remain completely still, no camera jitter