Tanaka's monthly rent payment turns into a passionate sexual encounter with his playful landlady. After a night of intensity, the landlady continues to tease Tanaka the following morning by wearing his clothes, leading to another round of intimacy as they establish a steamy routine for the months to come.
After an intimate encounter, Tanaka and his landlady head to the shower to clean up, where she offers him a "special service" inspired by soaplands. Their playful bathing session quickly escalates into another passionate round of intimacy, ending with the landlady teasingly suggesting that such premium services might require a higher rent payment in the future.
After a series of seductive encounters, Tanaka accidentally becomes too rough during his monthly rent-payment intimacy with his landlady, Miyuri. Overcome with guilt, Tanaka sincerely apologizes, prompting Miyuri to turn the experience into a "private lesson" on female anatomy and the importance of partner care. While the two find a more harmonious and satisfying rhythm together, Miyuri ensures that these extra educational services come with an additional charge to his rent.
Tanaka's monthly rent payment takes a variety of provocative forms as his landlady, Miyuri, engages him in "lessons" while dressed in formal attire and a lab coat. The excitement peaks when Miyuri dons a revealing, stretchable costume from a recent air show, leading to an intense and playful encounter. After their passionate exchange, Miyuri playfully suggests that Tanaka's rough behavior might lead to a rent increase next month.
To celebrate Tanaka's birthday, his landlady, Miyuri, provides a series of provocative "services" as part of their ongoing rent arrangement. From pretending to be a human cake to dressing up as a concierge, Miyuri uses various roleplays to pamper Tanaka, leading to an intense and intimate celebration.
Tanaka celebrates his birthday with a steamy encounter involving Miyuri dressed as a pâtissière. However, the experience takes a surreal turn when Tanaka falls into a vivid dream where an evil spirit possesses his landlady to mock his perversions and challenge his sexual endurance. He eventually awakens to find a worried Miyuri, realizing the chaotic ordeal was merely a hallucination.