painting of a man, realistic sketch, hyperrealistic sketch, detailed pencil sketch, Pencil sketch, realistic digital drawing, detailed sketch drawing, highly detailed portrait, detailed 4 k drawing, pencil drawing, highly detailed sketch, Realistic drawing, extremely detailed portrait, detailed but rough, pencil drawing illustration, realism drawing, detailed sketch, sketch art,((High quality, Masterpiece:1.4)), 1 man, ((Upper body)), Portrait sketch, Messy drawings, Messy charcoal spots, Unfinished sketch, A sketchbook of a 36-year-old man，Painting in charcoal style, Sketchbook drawing, sketchbook, Beautiful hair,Short red hair and yellowish eyes，Academics dressed up，Silver-framed glasses，apathy，hypocrisy。Handsome Sven 。Professor in uniform, ((Paper material background)), Realistic charcoal line, Imperfect drawing, Charcoal shavings, Charcoal production line, imperfections, , Realistic

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))