The Laḫmu attack Kingu and steal the Holy Grail from his body! After being robbed of the Grail, Kingu makes a desperate escape into the forest. However, the Laḫmu discover him there, and so he prepares to meet his fate. But at that moment, Kingu witnesses something beyond comprehension... At the same time, Fujimaru and company pursue the Laḫmu now in possession of the Grail, but a Servant long thought dead appears to block their path...

The Wall issues a new order instructing the girls to perform at ITF (Idol Tokyo Festival), known as a stepping-stone to success for idols. This is the first festival appearance for 22/7, but after seeing other idol groups they realize that they lack cohesiveness.

It becomes clear to Kaname that in order to win the Treasure Hunt Game, he must defeat the vicious Eighth Clan. To do this, he forms a temporary clan with Rein, Ryuji, and Hiiragi. While they develop a strategy to beat the Eighth Clan, Kaname receives a plea for help from Shuka.

Boruto and the team are waiting for the escape boat when Tsukiyo appears. Boruto and his team fight desperately in order to protect Kokuri, but they're tormented by Tsukiyo's jutsu as time threatens to run out on their prison break!

The Battlers’ recruiting operation, the Rookie Hunt, had begun. The seniors all come out to try to find worthy first-years to join their groups. What takes place is an immense battle! Iruma and his friends somehow make it through, but then decide to check out the various Battlers on campus. But then suddenly, Iruma’s ring goes berserk, causing him to run into a senior...

Kotoko receives a request for help from a giant snake, who is the guardian spirit of Tsukuna Swamp. It appears that a murderer named Tanio Aoi disposed of a body in the snake’s swamp, but there’s something that’s just not sitting right with the snake. After learning about Kuro’s powers, Kotoko asks Kuro to accompany her on this journey, but Kuro declines for a certain reason...

Tora, Pochi, and Tama venture inside to an abandoned house. It's Pet Day at Matsu Bath, so all the cats and dogs enjoy a bath together. And Momo has gotten in trouble with the Dog Police.

Iroha responds to an unknown sender who's been messaging her and asking her if she is a Magical Girl. Once the message is sent, Iroha immediately gets a reply back pleading to Iroha to come to Endless Solitude to save the girl who is being held captive there. When Iroha asks how she could get there, things suddenly take a dangerous turn...

The final battle begins at Ryuzu's Lab in the midst of the experiment to bridge Earth and Cray during the half-moon. Can Shinemon stop Tatsuya, who has sacrificed everything for the experiment?