A highly detailed, hyper-realistic pencil sketch of Nani (early 50s, composed yet stern demeanor, salt-and-pepper hair neatly combed back, clean-shaven, wearing a crisp white shirt with rolled-up sleeves and dark trousers), standing at the front of a college classroom. He holds up a notebook displaying a small red dot on a blank page to a group of late-teen students seated at desks, their faces reflecting sudden seriousness and contemplation. The composition follows the rule of thirds, with Nani positioned slightly off-center, and the notebook in sharp focus. The camera angle is Medium Shot, Eye-Level, allowing both Nani’s expression and the students’ reactions to be visible. The classroom background includes faint details of celebratory decorations (balloons, streamers) slightly out of focus. Lighting is chiaroscuro, casting dramatic shadows that highlight Nani’s facial intensity and the metaphor’s weight. The texture features smooth blended shading with fine, sharp lines and rich tonal range. The color tone is monochrome, high contrast, strictly true black-and-white without stylization. The image is ultra-high-resolution, sharply rendered, with realistic detail in clothing folds, facial features, and paper texture, avoiding any anime or cartoon-like elements, Highly detailed hyper-realistic pencil sketch of a teacher in a college classroom. Teacher stands at front holding a notebook with a red dot. Students in desks show serious expressions. Classroom background has balloons and streamers. Lighting creates dramatic shadows. Composition follows the rule of thirds with focus on the notebook. Ultra-high-resolution image with rich detail