Kanzaki is a saleswoman operating as a door-to-door seller, though her profession is a cover for a far more significant and dangerous role within the world of Ingoku Danchi: Deviant's Apartment Complex. She is not a resident of the apartment complex but is deeply entangled in its escalating crisis. Classified as a dangerous Class-A housewife, her level of threat exceeds that of the other transformed residents that the protagonist, Yoshida, initially encounters. This high classification reflects her power and the serious nature of the threat she represents, to the point that even the wiki-maintaining resident Katagiri panics and retreats upon realizing Kanzaki is involved.

Personality-wise, Kanzaki is characterized by an aggressive and relentless demeanor, particularly in her work as a saleswoman. When she sets her sights on a customer, she is described as being willing to go the distance with extensive sexual overtime, indicating a predatory and unstoppable nature. Her moniker, the mad saleswoman Kanzaki, emphasizes this obsessive and intimidating approach. However, beneath this surface lies a complex individual capable of deep personal attachment. Her primary motivation stems from a past event involving a government agent she was tasked to eliminate. Instead of killing him, she found him alive, fell in love with him, and subsequently betrayed the shadowy organization that had ordered her to dispose of his body.

Kanzaki's backstory reveals that she is part of a larger conspiracy involving a group called the Banishing Exclusion Womens Society. To utilize a powerful artifact known as the resonance stone, which required the users to be housewives, Kanzaki, along with others like Shirakage, was provided with a fake husband placed under hypnosis. Her supposed husband, the government agent she fell in love with, was originally pursuing a character named Raikou, who had developed the Libido Cloth technology. After being attacked and presumed killed, the agent became a hostage, which forced Raikou to work for the organization. Kanzaki's role in this conspiracy was to dispose of the body, but her choice to save the man instead set her on a path of betrayal.

Her key relationship, therefore, is with this man, who becomes her husband. He is a source of genuine love for her and the direct cause of her defection from the organization. Furthermore, he provides weapons from his government agency, including the Voltac Suit, the ultimate weapon against the transformed housewives, which establishes him as a key ally and resource in the fight against the conspiracy. Kanzaki’s role in the story evolves from a primary antagonist and Class-A threat into a more complex figure. Initially, she is part of the systematic threat orchestrating the chaos within the complex, but her personal motivations lead her to betray that organization and join forces with Raikou and Shirakage.

Regarding her abilities, Kanzaki is distinct from many other female characters in the series. While most residents are driven mad by the supernatural effects of the Libido Cloth, Kanzaki is noted for relying on what is described as basic solid sexuality to achieve her goals, rather than the enhanced powers granted by the garment. This suggests that her natural allure, psychological manipulation, and sheer force of personality are her primary weapons, making her dangerous in a more fundamental and direct way. Despite this, she is deeply integrated into the world of the Libido Cloth and the resonance stone, indicating a high level of knowledge and involvement with the supernatural elements of the plot.