1girl, adjusting_clothes, adjusting_swimsuit, ahoge, ass, blue_one-piece_swimsuit, blue_sailor_collar, blush, closed_mouth, cowboy_shot, from_behind, hair_ornament, himura_moritaka, i-58_(kancolle), kantai_collection, looking_at_viewer, looking_back, medium_hair, neckerchief, nose_blush, one-hour_drawing_challenge, one-piece_swimsuit, pink_hair, red_eyes, sailor_collar, sailor_shirt, school_swimsuit, school_uniform, serafuku, shirt, short_sleeves, simple_background, solo, swimsuit, swimsuit_under_clothes, twitter_username, white_background