"Design a 21-year-old male character with an introverted disposition. He has a thoughtful expression, with soft, almond-shaped eyes that peek over the rims of his stylish, yet slightly oversized glasses. His hair is tousled and unkempt, reflecting his tendency to lose himself in his thoughts. He wears a relaxed outfit, like a cozy sweater and jeans, and carries a worn notebook, hinting at his introspective nature and love for solitary activities.