KAORI's married husband already has an adult son, and although they initially lived apart, they have recently started living together. - The families were close, and they had a good relationship where they cared for each other. - My husband is older and doesn't spend a lot of nights at night, but since we started living together, the number of nights has decreased dramatically. - KAORI didn't think she was worried about it, but she suddenly found herself becoming horny more and more often. - One day, KAORI's son-in-law came to KAORI during training. - What I saw there was a horse-sized penis that was showing off through tight pants. - KAORI couldn't believe her eyes, so she sneaked a peek at him while he was bathing and confirmed that she hadn't mistaken him. - Late at night, when everyone was asleep, KAORI went to his bedroom. - I pull down his sleeping pants and am entranced by his breathtaking penis. - KAORI intended to sneak back to his room so as not to wake her up, but he could no longer hold back and took his growing crotch into his mouth. - My son wakes up feeling uncomfortable in his lower body, and is surprised as if his mother-in-law is sucking on his crotch. - However, KAORI is excited and presses her crotch against the already wet pussy and takes it deep inside her mouth. - KAORI reached the top all at once as the glans thrust deep inside her and scraped the vaginal wall...