Volume 2 and beyond continues here Kato and his two sisters, finally finished with their lifelong training, begin their final year of secondary school free from their duties for Eternia. However, not only are their Eternian overseers still watching over them, their friends and classmates can already see war with the other third-year classes looming on the horizon from day one. Without much choice, they will bring their gang together like they always do to lead their class to victory.