1girl, arm_support, bikini, black_bikini, blush, breasts, cleavage, closed_mouth, collarbone, dated, fuyutsuki_(kancolle), grey_eyes, grey_hair, hair_between_eyes, kabocha_torute, kantai_collection, large_breasts, long_hair, one-hour_drawing_challenge, one_side_up, partially_submerged, pool, sitting, smile, solo, swimsuit, twitter_username, water