Ben Tennyson has returned from his trip into space and everything is too peaceful. Ben has had enough and yells to the stars asking for danger to find him. Professor Paradox comes to answer his plea, and takes Ben to the world of Overwatch. Their world is in danger and Ben with the help of his newly acquired Ultimate forms will stop their dimension from collapsing in on its self.

Ben is betrayed by everyone he cares for, except his grandfather, cousin, and best friend. Azmuth destroys the Omnitrix. And Kami has chosen Ben to be her avatar, and to wield her creation... The Kaminatrix! [Ben T. x Harem]