1girl, black_hair, blue_one-piece_swimsuit, brown_eyes, clothes_pull, flat_chest, hands_on_own_chest, kantai_collection, kneeling, off_shoulder, one-hour_drawing_challenge, one-piece_swimsuit, one-piece_swimsuit_pull, ray.s, school_swimsuit, short_hair, short_hair_with_long_locks, simple_background, solo, swimsuit, ukuru_(kancolle), white_background