1girl, bikini, blue_eyes, dated, feet_out_of_frame, flat_chest, kantai_collection, loli, looking_at_viewer, maru_(marg0613), multi-strapped_bikini, one-hour_drawing_challenge, pink_hair, ponytail, red_bikini, shiranui_(kancolle), short_hair, simple_background, solo, swimsuit, tan, tanlines, twitter_username, white_background