1girl, antenna_hair, black_necktie, black_sailor_collar, blue_sky, cloud, dated, day, flat_chest, groin, kantai_collection, looking_at_viewer, navel, necktie, no_panties, one-hour_drawing_challenge, outdoors, purple_eyes, purple_hair, ray.s, sailor_collar, sakawa_(kancolle), shirt, shirt_tug, short_hair, simple_background, sky, sleeveless, sleeveless_shirt, smile, solo, twitter_username, upper_body, white_background, white_shirt