Fumino and Kenji have been married for 5 years. Her husband is a very good man, financially stable, helping them both have a prosperous life. Wanting to have a child soon, for the past few months, Kenji has been making love to her every day. Despite their efforts, Fumino is still not pregnant. Kenji's sexual ability is not good either, never satisfying Fumino once. Their life continues like that until Kenji's parents come to live with the couple. Their house is forced to move, with nowhere else to go, they stay at Fumino's in-laws' house. One day, while Fumino and Kenji were making love as usual, her father-in-law caught them and saw the dissatisfaction on Fumino's face. Seeing through his daughter-in-law, the father-in-law attacked Fumino when she went to fetch water. Despite continuously saying no, her body could only weakly resist against the big cock, each forceful thrust from her father-in-law. Eventually, the father-in-law ejaculated all his sperm deep into her womb. Fumino should have hated this, she should not have done this. But her body betrayed her, craving the pleasure she had never experienced before, something her husband could not provide. And some time later, Fumino discovered she was pregnant. Her husband was extremely happy when he found out. But perhaps, the baby in her womb...