His wife died early, lacking affection for a long time, so although his father-in-law is old, he still often watches black movies to relieve some of his physiological needs. Gradually, higher desires began to appear in him, and the inevitable bad things with his beautiful daughter-in-law, Tsuno, were also about to come. Regularly taking her panties to masturbate was a sick thing that he often did, although she knew it, she didn't say anything, she only thought that sexual craving was inevitable and understandable for men, not just her father-in-law. But she didn't know that, day by day, his lust was reaching its peak. Then it happened, the determination to rape her daughter-in-law was the plan he had set, even though she resisted fiercely, he still did not spare her. That is just the beginning of the upcoming series of dark days of the filial daughter-in-law. What a wretched father-in-law.