1girl, d, alternate_costume, bikini, blue_sweater, blush, brown_eyes, brown_hair, character_name, cup, dated, from_side, green_background, hiryuu_(kancolle), holding, holding_cup, kantai_collection, looking_at_viewer, short_hair, simple_background, sitting, smile, solo, striped, striped_sweater, sweater, swimsuit, twitter_username, umibudou, yellow_bikini