KSBJ-318 Father-in-law and pregnancy: The temptation of the inseminate son's wife, Uta Hibiki

The son and his wife suddenly came to visit without any prior notice. When the son went out and the daughter-in-law was left alone, she said she had something to discuss. The couple has a good relationship and has almost no complaints, but they can't have a baby, so she says she wants the father-in-law's sperm instead. The father-in-law desperately resists the daughter-in-law's forceful advances, but he can't resist her forceful advances...