As the world accelerates toward its own destruction, Kiba and Cheza—with the help of Tsume, Hige, Toboe, and Blue—race to reach true paradise before the entire world is rendered uninhabitable. Now reunited, Cher and Hubb decide to accompany the wolves in hopes of seeing the journey through to its end, while a distraught and confused Quent wanders aimlessly into the wasteland with his mind fixated on revenge. Meanwhile, Lord Darcia the Third has finally put his plot into motion and pursues Cheza, pitting him against the pack. As everything falls apart yet simultaneously falls into place, the wolves struggle to survive in an increasingly dangerous environment. Though the end draws near, paradise seems further away than ever before.

An OVA adaptation of the climactic part of Saiyuuki Gaiden.

After escaping certain death, Kei Nagai and his new companion Kou Nakano plot revenge on Satou, their fellow Ajin who is hellbent on world domination. As Satou embarks on a string of public executions, the human race rushes to come up with a solution to stop the immortal villain. Kei discovers unlikely allies in the form of two former adversaries: high-ranking government official Yuu Tosaki, whose extensive research on Ajin gives him a tactical advantage in the fight against Satou, and Tosaki's Ajin assistant Izumi Shimomura. As his faction continues to gather allies, Kei races against time to put a stop to Satou's crusade before it brings about an end to civilization as he knows it. [Written by MAL Rewrite]

In August of 1995, Mikiya Kokutou meets a young kimono-clad woman named Shiki Ryougi. When he finds out that they go to the same school, he attempts to befriend her. Though her upbringing is unconventional and she herself is strange, Mikiya is not deterred, and Shiki gradually opens up to him. But Mikiya's life will be changed forever by this simple meeting, and in ways that he never imagined, as he begins to see a deadly side to his new friend...

[Written by MAL Rewrite]