5girls :< ahoge akiyama_yukari bare_shoulders bikini black_eyes black_hair blue_eyes blunt_bangs blush bow bow_bikini breast_envy breast_rest breasts breasts_on_head brown_eyes brown_hair cloud cloudy_sky collarbone commentary_request covered_nipples day frilled_bikini frills front-tie_bikini_top front-tie_top girls_und_panzer green_bikini hairband holding hug hug_from_behind innertube isuzu_hana long_hair looking_at_viewer medium_breasts messy_hair military military_vehicle motor_vehicle multiple_girls navel negija nishizumi_miho one-piece_swimsuit orange_eyes orange_hair outdoors partially_submerged pink_bikini red_bikini reizei_mako short_hair side-tie_bikini_bottom sitting sky swim_ring swimsuit takebe_saori tank tanning_oil water white_one-piece_swimsuit yellow_bikini yellow_eyes yuri