Kodai and the Yamato are forced to make a nearly impossible decision.

After finally obtaining a hint into Kagari's lost past, Okabe ends up discovering much more than he bargained for.

Issei purges the curse of his Sacred Gear and stands up once again, in his form as a Queen piece. Sairaorg and Issei duke it out in one final fist fight where winner takes all. After that, the only thing he has to worry about is his confession to Rias...

The boarding school, Annecy School for Girls. Having enrolled there, Ami encounters a strange girl in the garden who aims her bow at a crow. The girl is Dolma, the princess of the Kingdom of Padar. Having no friends, Ami finds herself opening up to the odd Dolma. Manwhile, Lupin sets his sights on the princess' necklace, "The Bloody Teardrop." Fujiko sneaks into the school as a teacher to get close to Dolma, as well. But then the school is suddenly taken over by a heavily armed group...

Thanks to Asta, Julius and Marx were able to undo the protection spell that was on the captives from the Eye of the Midnight Sun and ask them who the traitor among them was.

After confronting Shiba in a real model battle in Gunpla Duel, Riku's 00 Diver Ace has suffered serious damage. Unlike with GBN, Riku's precious partner has been damaged in reality. Koichi is worried about Riku, and tries to cheer him up, but is surprised by Riku's reaction.

Aoi realizes that she has found a place she can belong to in Tenjin-ya. Then, Orio-ya's air ship suddenly shows up with a long-haired ayakashi on board, who's wearing a white mask that reminds her of the ayakashi in her childhood memory.

When Sonia arrives in Libria, she sees humans and Dragonoids hurting the forest. Anger consumes Sonia, causing the monsters to wreak havoc on the city. When Ace tries to calm Sonia down, it reminds her of the time she first met King...