6+girls :< absurdres air_bubble amatsukaze_(kancolle) ass bikini black_hair black_legwear blue_bikini blue_hair breasts breath brown_eyes brown_hair bubble chromatic_aberration commentary_request competition_swimsuit diving elbow_gloves flat_chest flippers freediving garter_straps gloves green_eyes green_hair grey_hair hair_tubes hairband headgear highres holding_breath jpeg_artifacts kantai_collection kinugasa_(kancolle) kneehighs ladder long_hair looking_at_viewer multiple_girls navel one-piece_swimsuit outstretched_arms photoshop_(medium) ponytail pool pool_ladder red_eyes ribbon-trimmed_legwear ribbon_trim ribs rudder_footwear samidare_(kancolle) satou_daiji scarf scarf_over_mouth short_hair side-tie_bikini_bottom sinking small_breasts socks striped striped_bikini striped_legwear submerged swimming swimsuit taihou_(kancolle) thighhighs twintails two_side_up underwater underwear upside-down water white_gloves yahagi_(kancolle) zuikaku_(kancolle)