A small massage parlor hidden near Otsuka's north exit. Married women with various intentions visit here, gradually drawn into pleasure by the skilled hands of the massage therapists. Among the staff are specialists in anal play, who overcome the women's resistance and unlock intense sensations. Under the mastery of their techniques, these middle-aged women are enveloped in uncontrollable ecstasy, ultimately submitting to anal sex. Confused and ashamed, they writhe in silent agony—revealing the hidden eroticism inherent in married women. Their raw, passionate expressions captivate viewers with striking realism.