A subcategory of sensie designed explicitly for sexual gratification or any number of parafetishes, i.e. pornographic sensies. They cover a wide range of interests and flavors, including those depicting more taboo or seemingly nonconsensual situations.
While it is hoped most of these productions are enthusiastically performed via contracted talent, there are no doubt sources that include coerced/trafficked individuals; the Yakuza is said to be a bankroller of such development houses.