Issei has welcomed Rias and Asia back into his home, and a subtle shift occurs in Kiba’s demeanor upon seeing a photograph of a sacred blade within the residence.

A fresh caution arrived for Issei concerning the white dragon, and soon after, emissaries from the Church, clad in the gleaming armor of Holy Swords, made their presence known among the devils.

Issei and Kiba engaged Xenovia and Irina in battle, and afterward, Issei grappled with the fallout of their conflict.

Joined by the Church, Issei and his companions confront Freed, but their struggle is overshadowed by the emergence of a foe of far greater power.

The students of Kuoh Academy confront Kokabiel and his forces, battling fiercely to protect both their school and the town that surrounds it.

The Occult Research Club confronts Kokabiel, and in doing so, uncovers unsettling realities about the intricate conflict between angels, fallen angels, and devils.

In a gesture of gratitude to the student council for their assistance with Kokabiel, the Occult Research Club volunteered to handle the pool cleaning, a task that proved unexpectedly fraught for Issei.

Issei gleaned further insight into the ancient conflict between the Twin Sky Dragons. Meanwhile, at the Open House, Rias and Sona found themselves navigating the complexities of difficult relatives.

With the second Bishop of the Gremory household now freed, Akeno leads Issei to a person she wishes him to meet.

Issei encountered Michael, the chief among the Angels, and spent the following days furthering Gasper’s training in preparation for the upcoming Leaders’ Summit.

As the Leaders' Summit commenced, time seemed to hold its breath, and Issei found himself and his companions confronted by a previously unknown adversary.

The clash between Issei and Vali revealed unforeseen reserves within him as the two powered by the Twin Sky Dragons locked in a fierce contest.