aesthetic illustration, Create a simple yet elegant portrait of a 1girl with her upper body visible, looking directly at the viewer from the side. She wears a blue sailor collar with a black bow, has blunt bangs, and brown eyes. Her hair is styled in low twintails, and she has a mole under one eye. The background is a grey tone, with a white shirt and a grey neckerchief. Her long hair flows gracefully, and she has parted lips. She wears a white shirt with short sleeves, and her overall style reflects a traditional serafuku (sailor uniform). The composition should emphasize her serene expression and the elegance of her attire, creating an atmospheric mood that is both charming and captivating.