Chapter Part 1: Crash Landing to a new world

After Optimus Prime have sacrificed himself and join the Allspark, the 4 million war finally came to an end. Astrotrain had been transporting Cybertronians back to Cybertron. But fate had something different from him, Primus have something different for him. Soon Astrotrain found himself on a familiar plant, at first he thought that was Earth. Oh how wrong he was, at least last time he checked, Earth doesn't have man eating Titans.