A whimsical, storybook-style illustration of a young boy with curly hair and large expressive eyes, standing in a grassy field during sunset. The boy wears a green plaid shirt tied at the waist and brown shorts, and is scratching his head in a confused or contemplative gesture. Behind him is a vintage bicycle with a simple frame, resting on the grass. The background features a soft-focus field and a warm pastel sky with hues of orange, pink, and lavender, suggesting a dreamy sunset atmosphere. The image should have a painterly texture, gentle lighting, and vertical framing suitable for mobile wallpaper.