1girl, black_hair, boots, brown_eyes, diving_mask, diving_mask_on_head, flat_chest, goggles, goggles_on_head, grey_choker, kantai_collection, looking_at_viewer, maru-yu_(kancolle), one-hour_drawing_challenge, one-piece_swimsuit, parted_bangs, school_swimsuit, shiratama_(mochi_shiratam), short_hair, simple_background, sitting, solo, swimsuit, white_background, white_footwear, white_one-piece_swimsuit