2girls, bad_twitter_id, black_eyes, black_hair, brown_eyes, brown_hair, casual_one-piece_swimsuit, covered_navel, feet_out_of_frame, flat_chest, gradient_hair, kantai_collection, long_hair, maru-yu_(kancolle), multicolored_hair, multiple_girls, nassukun, official_alternate_costume, one-piece_swimsuit, ponytail, school_swimsuit, short_hair, standing, swimsuit, thick_eyebrows, v, visor_cap, white_one-piece_swimsuit, yamashio_maru_(kancolle), yellow_headwear, yellow_one-piece_swimsuit