JUX-578 While my son was away on a business trip, I spent 4 days having sex with my son's wife Nozomi Tanihara

It's been a year since she married her husband. Nozomi is heartbroken that her husband, who was so kind before they got married, is becoming colder with each passing day. But there is one man who is watching her with concern from the shadows... His father-in-law, Ryoichiro. Feeling sorry for Nozomi, he is heartbroken because he can't say anything to his husband. Then, one day, her husband goes on a business trip. Ryoichiro treats Nozomi with kind words, but...