Keeping It Secret From Her Husband: Naughty Bride Knocked Up By Her Father-In-Law Tsubaki Kato

The Kato family consists of wife, husband, and father-in-law living happily together. However, troubled by their inability to conceive a child, she consulted her father-in-law. The father-in-law also couldn't find an answer, but the wife thought that since the husband had many siblings, perhaps the father-in-law's sperm was strong, so she asked him to impregnate her. At first she intended it as a business arrangement, but gradually she became engrossed in sex with her father-in-law...