Adventurer Gregor rushes in to battle the great demoness, Lilith, much to the behest of his worried companion. He has no time to waste, wishing to find and save his companions Garsted and Tia from the demoness' horrid clutches! (MTF succubus with breast/ass expansion, subtle mental changes but no identity death, physical changes, some FTF content as well in the latter half, etc)