It's been a week since my wife, a career woman, went on a long business trip. - I can't take my eyes off the huge breasts of my wife's mother, Yuri, who came to take care of me instead. - He decides to take a peek at Yuri's exquisite boobs body no matter what, but what he catches a glimpse of is Yuri's obscene delinquency as he immerses himself in masturbation. - Her body is much more glamorous than I expected, and she snorts, causing me to peek at her, but if she asks me, ``Would you like to come in with me? I'll wash your back,'' there's no way I can refuse.