Natsume has been busy, navigating between humans and Yokai when he coincidentally reunites with an old classmate, Yuki. It brings back painful memories of a certain Yokai. Meanwhile, Natsume also became acquainted with Yorie Tsumura, a woman in the memories of a Yokai whose name he had returned. Yorie knew much about Reiko, but now lived a peaceful life with her only son, Mukuo. Being with this family was comforting for Natsume, but apparently a mysterious Yokai has been lurking in their town. On the way back from investigating, a “Yokai seed” that had latched itself to Nyanko Sensei drops into the Fujiwaras’ garden and grows overnight into a fruit tree. When Nyanko Sensei eats a fruit that is somehow shaped like himself, he suddenly splits into three!

Unidentified creatures "Archon" suddenly appear and bring the human beings to a crisis of extinction. A special corps "Goulart Knights" is formed to counter attack Archon. The knights have supernatural power to generate "Holy Grail" from their spirits and battle against Archon.

Sequel of Goulart Knights: Evoked the Beginning Black.

The film will be made up of two stories: "Ishi Okoshi" and "Ayashiki Raihousha." In "Ishi Okoshi," Natsume meets a small youkai called Mitsumi in a forest. Mitsumi is entrusted to wake up the divine youkai "Iwatetsu" from its deep slumber. Mitsumi weighs on Natsume's mind, so he sets out to help Mitsumi with his task. In "Ayashiki Raihousha," a mysterious visitor appears in front of Tanuma. Nearly every day, the visitor visits Tanuma, talks to him a little, and then leaves. Natsume, who knows the visitor is a youkai, worries for Tanuma, but Tanuma enjoys these exchanges with the youkai. The youkai means no harm, but Tanuma's health slowly starts to deteriorate.

When Haruka Fujinami starts his job at Yebisu Graphics he takes an immediate dislike to his tyrannical boss, Mr. Daijou. Haruka is given the most menial tasks imaginable and is subjected to Daijou's verbal abuses as well, but oddly enough, he learns that his attraction to his boss grows with each new humiliation. Will Haruka finally stand up to Daijou and assert himself, or will he completely surrender his body and soul to the tall, dark stranger?

The Servamps and their pact-bound "Eves" are finally getting back to their normal lives as they recover from their injuries from the previous battles. However, when it starts snowing in the middle of summer, one of the Eves, Mahiru Shirota, suspects vampiric interference. Concerned by the strange phenomenon, he sets out to gather the group once more to try and solve the mystery; however, they suddenly lose contact with Misono Arisuin, the Eve of the Servamp of Lust. This movie delves into the untold past of Misono and his brother Mikuni Arisuin, as well as the many mysteries of the grand Arisuin Mansion.