1girl, bare_shoulders, black_one-piece_swimsuit, breasts, collarbone, competition_swimsuit, curvy, fate/grand_order, fate_(series), forehead, gorgon_(fate), highleg, highleg_swimsuit, huge_breasts, long_hair, looking_at_viewer, medusa_(fate), minami_koyogi, one-piece_swimsuit, parted_bangs, pool, poolside, purple_eyes, purple_hair, sidelocks, snake_hair, solo, swimsuit, thighs, very_long_hair