In freshman year I had to do that for writing lab...I did a cheap move and made one that was completely based off The March of the Black Queen.
I even went as far to name it The Reign of the Dark Mistress, lmfao.
So uh ya, if your creative juices aren't flowing, use something as an "inspiration."
...as long as it isn't quite plagerizing haha.
Maybe you could do a sequel to Ogre Battle. :P
"The walls we build around us to keep sadness out also keep out the joy."