2000s_(style), 2girls, ahoge, ass, barefoot, bent_over, bikini, black_hair, blue_eyes, breasts, cleavage, feet, indoors, kneeling, large_breasts, legs, lying, multiple_girls, navel, on_side, pool, poolside, purple_eyes, short_hair, side-tie_bikini, smile, soles, swimsuit, thigh_gap, water, window, wristband