(masterpiece, best quality, ultra-detailed, photorealistic, 8k, vivid HDR, wide shot, full group view), nine young women in a single row, dressed in school uniforms, short pleated skirts pulled up, no panties, high heels, long slender legs, wide hips, big asses, all in doggystyle pose on elbows and knees, deep arched backs, breasts hanging under open shirts, each girl reaching back to spread her buttocks wide open, visible anuses exposed, gaping detail, synchronized posture, classroom interior, desks and chairs blurred in background, large blackboard with giant white letters "ANAL LESSON", cinematic perspective, tack sharp, ultra-detailed skin, hair and fabric textures
