JUL-127 Aika Satozaki is invited by her mother-in-law who wants her son-in-law's big dick all the time.

Aika lives in a two-family house with her daughter and her husband. - Lately, I've been concerned about the rift between my daughter and her husband, so I sneaked in to check on her... - It turns out that her son-in-law, Shinji's penis is too big for him to put it in. - Aika, who has not seen her husband for a long time, is fascinated by his big cock and invites him in, making the excuse that ``It's for my frustrated son-in-law...''. - Shinji, transfixed by her obscene body, can't help but suck on it. - As expected, Aika began to enjoy her big dick day and night, stealing from her daughter's eyes...