The transformation of Kim, an ordinary person with the most common surname in Korea, into a dish sponge—a process in which he becomes "dish scrubber-ized." It is a poetic reflection on identity, conformity, and the loss of self in the face of societal expectations. As Kim transforms from a human being into a "tool of cleanliness," the film raises the question: How much of ourselves remains when we adapt to the demands of an ever-changing world?