yoshino keiko, horiguchi etsuko, kurihara chisato, black rainbow, ura saiminjutsu 2, character request, game cg, 5girls, barefoot, black hair, blonde hair, blue eyes, braid, breasts, brown hair, chair, classroom, competition swimsuit, covered erect nipples, desk, everyone, glasses, half up braid, indoors, large breasts, long hair, medium breasts, multiple girls, on chair, one-piece swimsuit, pince-nez, school, school desk, school swimsuit, short hair, sitting, swimsuit