1girl, alternate costume, artist name, ascot, blush, breasts, closed mouth, collarbone, embarrassed, eyebrows hidden by hair, flying sweatdrops, frown, greyscale, hair between eyes, hair ribbon, head tilt, large breasts, looking at viewer, medium hair, monochrome, nose blush, ribbon, sailor collar, school uniform, serafuku, shirt, simple background, solo, straight hair, sweat, uniform, upper body, wavy mouth, web address, white background