1girl, black_sailor_collar, bra, breasts, breasts_day, brown_hair, clothes_lift, good_breasts_day, kotoyoshi_yumisuke, large_breasts, lifted_by_self, medium_hair, neckerchief, original, red_neckerchief, sailor_collar, school_uniform, serafuku, shirt, shirt_lift, short_sleeves, signature, simple_background, solo, standing, underwear, undressing, white_bra, white_shirt, yellow_background