Prompt: Create a captivating gouache artwork on paper, featuring a 19-year-old Brazilian girl. Pay meticulous attention to detail, capturing the round face, caramel skin tone, and slightly wavy, straight black hair. The composition should be a close-up of her face, emphasizing the unique texture of her hair, the deep black color of her eyes, and her expression. Illustrate her wearing a black leather jacket, using the gouache medium to convey the subtleties of the features and clothing, ensuring a lifelike and expressive representation.