The real enemy, the Fluctuating Gravity Well, closes in on mankind!!  What will be the fate of the Sol System?!Finally, Nono's true self has been revealed.   Since the shocking Titan Incident, the Topless have been placed under house arrest in the remotest part of the Sol System, their abilities sealed up.  With their very existence denied, Lal'C and the other pilots are now at the mercy of fate. But another catastrophe is closing in on the Sol System, as the corps of Space Monsters gather around their nest.  The real enemy of mankind, the fluctuating gravity well, has at last appeared.  The time has come to launch the strongest fleet in the Space Force--and the Buster Machine # 7!