2girls, o, afloat, asymmetrical_bangs, bare_arms, bare_shoulders, bikini, black_hair, blush, breasts, casual_one-piece_swimsuit, closed_mouth, collarbone, covered_navel, from_above, hair_ornament, hair_scrunchie, heart, heart_hair_ornament, holding_hands, large_breasts, long_hair, looking_at_viewer, multiple_girls, munakata_hinano, one-piece_swimsuit, one_side_up, original, parted_lips, partially_submerged, red_bikini, red_eyes, ribbon, scrunchie, side-tie_bikini_bottom, small_breasts, smile, solo_focus, swimsuit, tokuno_yuika, upper_body, water, water_in_navel, white_ribbon, yellow_one-piece_swimsuit