In order to protect her life with her family, the wife makes up her mind and goes to an interview at a brothel. She tells herself that she has to endure it until she pays off her debt, and endures the unbearable shame. However, during the practical training, the instructor inserts his penis into her. She had heard that it was a shop where sex was not allowed. It was a chastity to her husband that she wanted to protect until the very end. The wife has no other choice, but still...