1girl, ball, beachball, bikini, blue_bikini, blue_sky, cloud, cowboy_shot, day, frilled_bikini, frills, green_eyes, grey_hair, hair_tie, hiiro_yuya, kantai_collection, kinugasa_(kancolle), navel, official_alternate_costume, outdoors, shirt, short_twintails, sky, solo, stomach, swimsuit, t-shirt, tied_shirt, twintails, water, white_shirt