koutaro, original, duplicate, 2girls, adjusting hair, ball, bent over, bikini, blue eyes, blush, breasts, brown hair, cleavage, front-tie top, green bikini, leaning forward, looking at viewer, medium breasts, multiple girls, one-piece swimsuit, partially submerged, pool, pool ladder, poolside, school swimsuit, short hair, side-tie bikini bottom, small breasts, smile, solo focus, swimsuit, thigh gap, water, wet