In this universe, chaos erupts all across the world. Destructive robots aim to take over humanity, an evil plan led by a wealthy businessman who knows nothing but greed. Nadia Nguyen, an intelligent young woman who studies at The East University is in charge of creating weapons. Will she open her heart to love once again, after what she's been through? Theo Hewitt, a strong-willed "bad boy" who fights in the front line also studies at The East University. What feelings will he develop as his journey goes on? After their hometown; Cloudgrave, has been taken over by a bunch of robots, Nadia, Theo, and many of their friends and schoolmates meet again as life goes on. Each of them brings tragic tales of how they survived. Will they be able to free themselves, or shall they fall into a pit of despair forever...