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