2girls, :d, ^_^, arm_up, armpits, bikini, birthday, black_ribbon, blue_eyes, blush, breasts, closed_eyes, dated, frilled_bikini, frills, full_body, hair_ribbon, hand_on_hip, long_hair, looking_at_viewer, medium_breasts, miniskirt, multiple_girls, navel, open_mouth, pink_bikini, purple_hair, ribbon, short_hair, siblings, side-tie_bikini, sisters, skirt, smile, standing, swimsuit, twins, twintails, yellow_ribbon