Rho is ready to live a quiet life until Ochus appears to her, bearing a cryptic message that leaves her with no choice but to fight and she embarks on a journey through a new set of Houses that reveal much more about the Galaxy and herself.

When a catastrophe threatens the lives of every Zodiac in the world, sixteen-year-old Steven Lee is forced to decide how far he will go to protect his fellow superpowered friends.

When a violent blast strikes the moons of Cancer, sending its ocean planet off-kilter and killing thousands of citizens, Rhoma Grace, a sixteen-year-old student from House Cancer, must convince twelve worlds to unite as one Zodiac against Ophiuchus, the exiled thirteenth Guardian of Zodiac legend, who has returned to exact his revenge across the Galaxy.