Prompt: Capture a realistic and detailed scene featuring a mixed-race man seated in a chair. He exudes confidence with his black hair and wears glasses that add a touch of sophistication to his appearance. The focus of the scene is on him, showcasing his defined and well-formed abdominal muscles as he lifts his shirt. The lighting accentuates the contours of his physique, and the overall composition should reflect the artistic style of Pixiv, with a resolution of 16k, ensuring every detail is meticulously rendered. This prompt invites the artist to portray the subject's strength and self-assuredness in a highly realistic and visually striking manner.