Married woman anal cuckold tied up ~Shaming bondage double penetration~

Ryoko has obtained an old, long-awaited house and lives happily with her husband. One day, a man named Okamoto appears, and Ryoko's younger brother Shuichi cannot pay off his debts and brings him the title deed of the family. Unable to consult with her husband, Ryoko promises to do whatever the men ask her to do so in order to get the house deed back. The men then play with Ryoko's still-undeveloped anus, not Ryoko's used mature pussy, to make it into a product. The body is tied up, in a way filled with pain and shame...