■This work is a record of the training of Marika (not her real name), a đẹp 28-year-old wife. Despite being a married woman, she has secretly become a slave to her apartment neighbor. ■When she was a teenager, her boyfriend at the time performed anal cunnilingus on her, awakening her to the pleasures of anal tình dục Since then, she has struggled to find a man who can give her that khoái cảm until, by chance, she meets her apartment neighbor...