1girl, arm ribbon, blonde hair, blue sailor collar, blue serafuku, blue shirt, blush, clenched teeth, closed eyes, cloud, cloudy sky, facing viewer, floating hair, hair between eyes, horizon, long hair, low twintails, moon ornament, necktie, open mouth, red ribbon, ribbon, sailor collar, school uniform, serafuku, shirt, sky, smile, solo, star sky, starry sky, teeth, twilight, twintails, upper body, yellow necktie