A medium shot, 3/4 view portrait of a tall, slender 20-year-old Japanese boy sitting by a window in a dimly lit classroom. He has messy black hair falling over his forehead and dark, calm, introspective eyes, reflecting a quiet and reserved expression with a gentle softness in his gaze. He is dressed in a traditional black high-collar gakuran school uniform featuring small, metallic silver buttons. His hands are resting calmly in his lap, partially obscured by the edge of the frame. The background consists of a classroom setting with the soft, warm glow of late afternoon light streaming through a window, casting long, soft shadows across his face and the surrounding wooden textures. The atmosphere is melancholic and gentle, characterized by a soft-focus depth of field, a warm golden-hour color palette, and a clean anime illustration style with delicate shading.