The son-in-law who missed the last train and had no choice but to stay at a love hotel with his mother-in-law. He can't take his eyes off his mother-in-law's voluptuous body, which he never paid attention to before!! Feeling those eyes, his mother-in-law also becomes hot... Changing into sexy lingerie she's never shown her husband, she falls into a one-night intense sex!! After bathing, driven by insatiable lust, they have sex again!!