This particular form of adult-oriented visual storytelling utilizes the narrative trope of characters exchanging physical forms. The content typically features explicit or suggestive depictions of sexual situations and/or nudity, involving individuals who have undergone this transformation. An example would be a scenario where two characters, having swapped bodies, engage in sexual activity either with themselves in their new form, or with others.
The popularity of this genre stems from several factors, including the exploration of taboo desires, the power dynamics inherent in the transformation, and the potential for humor and fantasy fulfillment. Historically, the underlying concept of switching bodies has been explored in various forms of media, but its incorporation into explicit material represents a specific niche catering to particular interests. The allure lies in the combination of the fantastic premise with the depiction of sexual exploration and experimentation.