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