1girl, black_hair, blue_eyes, blue_one-piece_swimsuit, breasts, closed_mouth, competition_swimsuit, copyright_name, gridman_universe, kneeling, long_hair, looking_at_viewer, medium_breasts, one-piece_swimsuit, showhey!!, simple_background, solo, ssss.gridman, swim_cap, swimsuit, takarada_rikka, thick_thighs, thighs, unworn_swim_cap, white_background