悶え乱れる美人妾婦

A Beautiful Mistress Writhes in Agony

One day, Eriko, a woman kept as a concubine, falls in love with a young man. Although he has a vague suspicion that Eriko is a concubine, they continue to have secret meetings and their relationship becomes passionate. However, when a villager informs them, their relationship becomes known, and the man who kept her becomes enraged and seeks retaliation.