p.69 wife bored of husband sex so find male on date app, by the author plot the son saw the mother and other male, son fucks mom. incest
p.109 wife's mother has sex with son-in-law to help him releases sexual need when the wife is pregnant and after birth, but at the end about half a year later both wife's mother and wife pregnant again same time... who gonna sexual releases the husband/son-in-law now when both his wife and wife's mother are pregnant? incest, inseki