Faria, successor to Eunomia of the Seven Knights, saves a boy named Nemo in a village under attack by monsters. Nemo awakens his own successor power during the fight, and what he does stuns even Faria!

After arriving at Granseed Academy, Nemo is inducted into the Seven Knights, and meets its idiosyncratic members. Jou Tsurugi, successor to the hero Spike, takes an immediate dislike to the weak-willed Nemo.

The school is preparing for its annual festival. While the rest of the students worry about finding a partner for the night's dance, Claire struggles to find a way to be useful to Gareth.

While Gareth pursues secrets in Granseed Academy, Amis Germain's plots appear to be on the verge of fruition. As the three students of Granseed struggle against the "synthetic successors"... Nemo makes a confession!

Sophitia attempts to bestow her final "salvation" on the world, becoming an avatar of the god of destruction and wreathing Granseed in flames. But the Seven Knights won't let it happen!