Sakaguchi Reina, a woman who volunteers to be kept as a prostitute, is categorized as AKA-009.

27-year-old super hot boss lady Sakaguchi Reina makes her appearance. The married woman becomes the pet of an old man, passionately raped, puts a collar on her, and her lewd moans are heard all the time. She begs for the male actor's big meat stick to be inserted, showing the lewd passion of a submissive sex slave, and is so lewd that she is fucked to the point of orgasm!