Riho Fujimori had just lost her husband in an accident. Not long after, her father-in-law, who had abandoned her husband since childhood, appeared to burn incense for his son. He was a lowly man with cunning eyes. Seeing his delicious daughter-in-law with big breasts, he had the intention of raping her when she was the only weak woman at home. Unable to resist him, Riho Fujimori had to give up and gradually, with her father-in-law's lovemaking skills, Riho Fujimori began to enjoy it.