1girl, brown_eyes, brown_hair, casual_one-piece_swimsuit, cosplay, criss-cross_halter, dated, flat_chest, flower, frilled_one-piece_swimsuit, frilled_swimsuit, frills, hair_flower, hair_ornament, hairband, halterneck, kantai_collection, long_hair, looking_at_viewer, maru_(marg0613), one-hour_drawing_challenge, one-piece_swimsuit, ryuujou_(kancolle), sagiri_(kancolle), sagiri_(kancolle)_(cosplay), side-tie_swimsuit, solo, standing, swimsuit, tongue, tongue_out, twintails, twitter_username, visor_cap, white_one-piece_swimsuit