Ragna is on a one-man rampage against the ruling body, the Novus Orbis Librarium. And a mysterious woman named Rachel directs him to go to the 13th Hierarchical City of Kagutsuchi next.

Rachel and Hazama watch over Ragna, hoping against hope that their expectations will be betrayed, in spite of the fact that all has gone as it always has.

Rachel has her showdown with Takemikazuchi, Hazama shows his true colours, and Ragna faces a fight with yet another bounty hunter.

As Ragna recovers from his wounds, Rachel meets with three mysterious beings and Noel runs into an old friend and classmate from the Military Academy.

Rachel conducts her own mysterious business as usual, porting from place to place. Kokonoe has her own agenda and sends Tager to carry out a mission. And Ragna works towards a full recovery with the help of some friends.

Kokonoe's little gambit with Ragna plays out. In the meantime, Jin is still searching for Ragna, but instead, ends up being found by Bang Shishigami, who wants revenge against Jin.