beautiful young woman playing with the strap of her white swimsuit in studio

adult athletic back background backside beachwear beautiful bikini black blue bodysuit brunette caucasian cheerful cover covered covering covers friendly front hair hairstyle hand happy model monokini one one-piece person piece playing plays poses posing pretty rear rearside slim smile smiles smiling sportswear sporty strap straps studio swimmer swimsuit swimwear wearing white woman yellow young