1girl, alternate_costume, arms_behind_head, artist_logo, blue_background, blue_one-piece_swimsuit, blush, breasts, brown_eyes, brown_hair, cleavage, collarbone, covered_navel, cowboy_shot, dated, gradient_background, kanon_(kurogane_knights), kantai_collection, large_breasts, long_hair, name_tag, old_school_swimsuit, one-hour_drawing_challenge, one-piece_swimsuit, ponytail, school_swimsuit, solo, sweater, swimsuit, yamato_(kancolle)