Lil, a brown-skinned and busty succubus, has been captured by humans. She once believed humans and demons could communicate but her hopes were cruelly shattered by the humans' carnal desires. Imprisoned, she is not allowed even a moment's rest and is violated by humans every second. They relentlessly vent their desires and resentment toward demons upon her. One day during her imprisonment, a "conception mark" is carved into her body, ensuring that any living creature can become pregnant. "Am I going to become pregnant with the child of a lower human?". Upon realizing this, Lil reveals her demonic true intentions to the humans. Thus, Lil is sent into a hellish state of vaginal creampies by humans in order to impregnate her...