minimalist cartoon line drawing of smiling child with red cheeks

lighthearted imagination minimalist background monochrome refinement expression delightful simplicity whimsical energetic handdrawn innocence portrait elegance graphics youthful carefree cheerful pleasant cartoon drawing smiling vibrant cheeks simple shorts beauty figure purity person joyful sketch doodle design visual child short wears plain white color human charm youth style clean line hair face red set art fun