The Omnitrix and the Umbral Star

In one world, two thirds of the Extella Trio are having a ball with who may be their greatest partners, Tamamo with an unlucky spiky teen with a mysterious right hand, Nero with a boy with more guts then one hundred spec ops soldiers, but what about the final member? Well she gets flung into a different world and entwines her fate with that of a young watch wearing hero of course!