1girl, bangs, bar censor, blush, bow, brown background, brown hair, castle-yu, censored, desk, gradient background, green bow, green eyes, green panties, hair bow, hibike! euphonium, kawashima sapphire, navel, neckerchief, on desk, panties, panty pull, parted lips, pink neckerchief, polka dot, polka dot bow, polka dot panties, pussy, school uniform, serafuku, short hair, simple background, sitting, solo, teeth, underwear, upper teeth only