masterpiece, best quality, absurdres, very aesthetic, highly detailed, 1girl, solo, helga pataki, adult, 20 years old, short messy blonde hair, large signature pink hair bow, heavy freckles, blue eyes, thick eyebrows, mischievous smirk, looking at the board or glancing sideways, wearing classic pink dress with white peter pan collar, short puffy sleeves, pink shoes, standing in front of blackboard, drawing a large detailed penis with chalk on the blackboard, empty university classroom, evening time, dim lighting, soft warm light from windows or lamps, chalkboard, chalk in hand, white chalk dust on fingers, mature athletic body, medium breasts, hey arnold style, cartoon aesthetic, clean thick outlines, vibrant colors, soft shading, detailed face, detailed hands, atmospheric evening lighting, empty desks in background, (drawing a penis on the blackboard:1.35), (chalk drawing:1.3), (large detailed penis:1.25), evening lighting, dim warm light, soft shadows, empty classroom at night mischievous grin, looking back at viewer while drawing, proud expression detailed chalk drawing, clear penis outline on blackboard. empty classroom, no other people.