Write a short story  in which Lilly Evans is actually the secret child prodigy and covert mad scientist Nayuta Hida, the happy go lucky and psychotic machine goddess posing as a ordinary human girl from the light novel, manga and anime series Masou Gakuen HxH. 

Explain how Nayuta was able to take up the alias of Lily and why she did nothing to stop the war between Dumbledore or Voldemort or expose Dumbeldore's schemes and plots.

Also explain how Nayuta hid her identity or how she was even able to have children, much less with a human. 

This of course makes Harry Potter Kizuna Hida, the protagonist of the light novel series Masou Gakuen HxH. 

Explain how Nayuta's older daughter Reiri was able to find Harry after the events of Godric's Hollow and take him back to Japan without being spotted by the Order of the Phoenix or the Death Eaters.