ALDN-624 Secretly asked father-in-law for help with getting pregnant behind husband's back

After five years of marriage, Rei felt anxious about not being able to have children.
Her relationship with her husband was good, and they had sex on ovulation days. But she couldn't get pregnant.
One day, Rei learned that her father-in-law had six children.
When she heard this, Rei thought of a forbidden act.
Common sense told her it was wrong... But Mari wanted a child so badly that she ended up asking her stepfather for his sperm. Her stepfather, who wanted an heir, decided to respond to Mari's outrageous request in a businesslike manner.
No matter how much she tried to convince herself this was just business, the overwhelming pleasure… Moe and her stepfather struggle desperately against the pleasure.
And their final decision is…