1girl, blush, bodysuit, breasts, cup, greyscale, hair_flaps, hatsuzuki_(kancolle), headband, holding, holding_cup, kantai_collection, medium_breasts, monochrome, mug, parted_lips, pleated_skirt, profile, sailor_collar, short_sleeves, simple_background, sitting, sketch, skirt, solo, steam, tsukinami_kousuke