1girl, ahoge, animal ears, braid, collarbone, cowboy shot, frilled skirt, frills, greyscale, hair ornament, hairclip, horse ears, horse girl, horse tail, monochrome, multicolored hair, open mouth, pet shaming, pleated skirt, puffy short sleeves, puffy sleeves, sailor collar, sailor shirt, school uniform, shirt, short hair, short sleeves, sign, sign around neck, simple background, sketch, skirt, solo, summer uniform, tail, tracen school uniform, white background