A retired, idle, and extremely lecherous father-in-law takes advantage of his daughter-in-law, Wakatsuki Mizuna (VENU-625)

Wakatsuki Mizuna has been married to her husband for many years and has always wanted to have a child, but her husband has been busy with work and hasn't had sex with her for several months. After her father-in-law found out, he began to lewdly play with Mizuna every day. Because she couldn't tell anyone, her father-in-law's behavior became more and more outrageous. Finally, one day, Mizuna was forced to accept her father-in-law's behavior!