1girl bangs bikini bikini_under_clothes blue_shorts blunt_bangs breasts brown_hair cowboy_shot green_eyes helena_(kancolle) highres hood hood_down hooded_jacket jacket kantai_collection kouga_(mutsumi) long_hair looking_at_viewer official_alternate_costume open_clothes open_fly open_mouth pink_headwear red_bikini scrunchie shorts small_breasts solo swimsuit visor_cap white_jacket