(best quality:1.2),ultra-detailed, (realistic:1.37) A sex class, students watching two participants engaging in sexual activity. A professor demonstrating. Illustration or photograph as a medium. Classroom setting, with desks and chairs. Natural lighting, with soft, warm tones. Vivid colors, emphasizing the human bodies and facial expressions. Nude models to showcase the realistic portrayal of human anatomy. Detailed depiction of the professor's gestures and explanations. Attention to the students' reactions, facial expressions, and body languages. Other students taking notes and focused on the demonstration.

verybadimagenegative_v1.3, ng_deepnegative_v1_75t, (ugly face:0.8),cross-eyed,sketches, (worst quality:2), (low quality:2), (normal quality:2), lowres, normal quality, ((monochrome)), ((grayscale)), skin spots, acnes, skin blemishes, bad anatomy, DeepNegative, facing away, tilted head, {Multiple people}, lowres, bad anatomy, bad hands, text, error, missing fingers, extra digit, fewer digits, cropped, worstquality, low quality, normal quality, jpegartifacts, signature, watermark, username, blurry, bad feet, cropped, poorly drawn hands, poorly drawn face, mutation, deformed, worst quality, low quality, normal quality, jpeg artifacts, signature, watermark, extra fingers, fewer digits, extra limbs, extra arms,extra legs, malformed limbs, fused fingers, too many fingers, long neck, cross-eyed,mutated hands, polar lowres, bad body, bad proportions, gross proportions, text, error, missing fingers, missing arms, missing legs, extra digit, extra arms, extra leg, extra foot, ((repeating hair))