Liquid taken from a container is injected into the companion's rectum using an enema device. Overcoming resistance, the warm fluid invades her insides. At the same time, an extremely thick vibrator simultaneously stimulates her vagina and anus, shaking her body violently as she endures the painful urge to defecate and intense humiliation. Eventually, excrement mixed with dirty water spurts out from her swollen anus, and while writhing in degradation and shame, her pure body undergoes a new transformation...