1girl, black_one-piece_swimsuit, blue_archive, blue_eyes, breasts, brown_hair, chibi, closed_mouth, competition_swimsuit, covered_navel, exoskeleton, full_body, hair_between_eyes, halo, looking_at_viewer, mecha_musume, nyaru_(nyaru_4126), one-piece_swimsuit, simple_background, small_breasts, solo, swimsuit, toki_(blue_archive), white_background