1girl, 200-ko_no_chikara, black_hair, black_one-piece_swimsuit, black_sailor_collar, black_shirt, blue_eyes, blue_neckerchief, chalkboard, classroom, competition_school_swimsuit, competition_swimsuit, cowboy_shot, desk, from_below, glasses, indoors, lifted_by_self, long_sleeves, neckerchief, no_pants, one-piece_swimsuit, original, sailor_collar, sailor_shirt, school_desk, school_swimsuit, school_uniform, serafuku, shirt, short_hair, solo, swimsuit, swimsuit_under_clothes, two-tone_swimsuit