A young man knows the power in the Dark Box of hell. If he can decipher it, will open and let out the evil inside. The Succubus will appear, a female demon, exciting, morbid and thirsty for sex. But do you really know how far this demon is able to get through sex in a claustrophobic atmosphere? When someone open the cube witness the terrifying shape of the Succubus. Despite being thousands of years old, her beauty is of a young girl with a tattooed body and a bifid tongue. Her intentions will not cease until Succubus gets what needs from this world, from you.