Mila Kunis has signed on to star un an R-rated stop-motion animated comedy titled Hell and Back. The story follows a couple of friends who have to rescue another friend that was accidentally dragged down to hell. Deadline reports that Kunis will play a "female demon whose ability to navigate the underworld makes her the toughest rogue demon in Hell. Her independent streak comes from the fact she’s half human. She was sired by the Orpheus of myth when he traveled down the River Styx, nailing everything in sight." Kunis joins Nick Swardson, TJ Miller, Rob Riggle, Brian Posehn & Kumail Najiani. Hell and Back is directed by Tommy Gianas & Ross Shuman.