Cute chibi boy character illustration, cartoon style, Full-body view from head to toe, Black hair, Black eyes, Wearing a red t-shirt, blue jeans, and black sneakers, Standing confidently with hands on hips or slightly raised in excitement, Smiling brightly with a wide, cheerful grin, Round and soft design, Pastel colors, Soft edges, Gentle gradients, Storybook illustration style, Dreamy and whimsical atmosphere, Warm and harmonious tones, Plain soft white background, Light and airy composition, Warm lighting --ar 16:9 --sref <https://s.mj.run/XeyAr6pj0uc>