rikumaru, kashima (kancolle), kantai collection, highres, 1girl, bikini, black bikini, blue eyes, blue sky, breasts, character name, cleavage, cloud, collared shirt, cowboy shot, dated, day, double v, drill hair, grey hair, grey shirt, hands up, horizon, large breasts, looking at viewer, navel, neckerchief, ocean, open clothes, open mouth, open shirt, outdoors, red neckerchief, shirt, side-tie bikini bottom, sky, smile, solo, swimsuit, teeth, twintails, upper teeth only, v, wading, wavy hair