Harry Potter and the Blue-Haired Angel

They thought he died at the hands of Lord Voldemort during the Third Task of the Tri-Wizard Tournament. But a Portkey misshap merely sent him through the cracks of reality. Now, as Voldemort gathers his forces, and the Ministry sticks its head in the sand, Harry Potter returns from a future in another world...and he's brought NERV, as well as his girlfriend Rei, with him...