1girl, akipeko, blue_neckerchief, blue_skirt, blush, brown_eyes, brown_hair, long_sleeves, looking_at_viewer, medium_hair, navel, neckerchief, original, pleated_skirt, sailor_collar, school_uniform, serafuku, shirt, simple_background, skirt, solo, stomach, white_background, white_sailor_collar, white_shirt