Karma, the Light of War appears. Ren and friends battle to reclaim their memories, but there's something about Karma's arms...

A new discovery in a previously mapped out dungeon might be the first step toward Kazuma repaying his massive debt. Unfortunately for him, Aqua is determined to help.

Kanna starts living with Tohru and Miss Kobayashi. While the livelier residence is nice, sharing a tiny apartment with three people becomes cramped. So Miss Kobayashi decides to move. She winds up inviting Takiya to her new apartment for a party, but Tohru also invites her dragon friends, Fafnir, who lives in a cave, and Lucoa, who's lived in this world since ancient times, to visit their new home.

With the Twelve Guardians caught in Kuranashi's trap, it's now up to the Twin Star Exorcists to free them. But what chance do they stand against the newly powerful Basara?

Rock and Yamato suddenly become violent after returning from Building 5 and attack Jyugo and Seitarou. Covered in bruises, Jyugo tries his best to protect Uno and Nico. Tsukumo, who has been training in Building 5 with Rock, appears. Hajime knocks out Yamato and realizes a familiar yellow talisman on the nape of Yamato’s neck.

Bag and Serval need to charge the bus's battery at a mountaintop café, but can't take the ropeway there. Instead, they ask Crested Ibis for help, only her singing is, uh, indescribable.