1girl, black_hair, brown_eyes, diving_mask, diving_mask_on_head, flat_chest, goggles, goggles_on_head, kantai_collection, looking_at_viewer, maakun_(makun_dx), maru-yu_(kancolle), one-hour_drawing_challenge, one-piece_swimsuit, open_mouth, parted_bangs, round_teeth, school_swimsuit, short_hair, simple_background, smile, solo, swimsuit, teeth, thick_eyebrows, twitter_username, upper_teeth_only, white_background, white_one-piece_swimsuit