shinonome kazuhiko, hirasawa kazumi, kirishima mizuki, kirishima satsuki, shirakawa saori, shirakawa yui, aneimo, halter top, highleg swimsuit, side-tie bikini, game cg, non-web source, 00s, 5girls, armpits, bikini, black hair, blue eyes, blush, breasts, brown hair, cleavage, dutch angle, everyone, flat chest, green eyes, hairband, halterneck, highleg, indoors, large breasts, long hair, looking at viewer, medium breasts, midriff, multiple girls, one-piece swimsuit, pink hair, ponytail, pool, poolside, purple eyes, short hair, siblings, sisters, smile, swimsuit, water, water slide