Being slept with by my uncle and becoming addicted to it - Shichido Renmi SAN-221

Renmi Shichido's uncle is injured, and she decides to take care of him. Her uncle is a strange guy who sexually harasses his girlfriend. One day, he's caught a thief abusing her, which troubles Renmi. To avoid being discovered by her husband, she obeys his advances and falls for him. However, the penis feels so good that she becomes addicted.