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.

Believing the Marad terrorist group is still out there in spite of peace efforts throughout the Zodiac Galaxy, Rho joins a new political party before discovering horrifying links between the party and her late mother.

"When she was roughing it in a tent pitched on Sohma family land, Tohru Honda's primary concerns were dirt and slugs. But now that she's living with the Sohmas, magical powers and ancient curses are the order of the day! With Yuki and Kyo at each other's throats like cats and ... rats, life at the Sohmas' is lively enough, but it all heats up as Hatsuharu joins the fray, spoiling for a fight! And even before the new school year can get underway, the...