ALDN-523 Shiho Terashima asks her father-in-law for help with pregnancy without telling her husband

"Terashima Shiho" Takara Eizo Exclusive! After 12 years of marriage, 41-year-old Shiho is frustrated by her inability to conceive. She and her husband have a good relationship, and they regularly schedule sex around ovulation days. However, she still can't get pregnant. One day, Shiho finds out that her father-in-law has six children. Upon hearing this, Shiho is inspired to do something forbidden. Common sense tells her it's wrong, but...