1girl, d, alternate_costume, arm_up, armpits, black_one-piece_swimsuit, breasts, brown_hair, collarbone, competition_swimsuit, day, green_eyes, hair_between_eyes, headgear, highleg, highleg_swimsuit, indoors, kantai_collection, kusaka_souji, large_breasts, looking_at_viewer, mutsu_(kancolle), one-piece_swimsuit, partially_submerged, pool, short_hair, sideboob, smile, solo, standing, swimsuit, teeth, two-tone_swimsuit, upper_teeth_only, wet, white_one-piece_swimsuit