HZGD-156 Matsumoto Nanami, a busty housewife who was impregnated by her father-in-law on her fertility day.

Minana, accustomed to living with her husband and father-in-law, enjoys a happy newlywed life. However, she is suddenly attacked by her father-in-law, who is attracted to Nanami's voluptuous body and breasts, and is ejaculated into her vagina. Each time her period approaches, she is unable to tell her husband about Nanami's seed. With each act of lovemaking, she is repeatedly accused and impregnated, ultimately experiencing pleasure and immorality...