As Super Sentai fanboy Akagi Nobuo, age 29, is hard at work in Akihabara, a woman named Hiroyo Hakase appears before him and asks him to “become Akiba Red!”

Nobuo is struck with disappointment at the discovery that Akibarangers’ feats are neither “Official” nor actually “real.” With Red unable to transform, Mitsuki and Yumeria struggle against a brutal foe. Then, the heartbroken Nobuo encounters...

Nobuo takes a job to deliver something for the studio director at Toei in Tokyo. For him, this is the Holy Grail for any Sentai fan. Thinking that they might learn to finally make the Akibaranger an official team, he takes Mitsuki along. After delivering the package, they meet the legendary stunt and suit actor Kazuo Niibori. Fascinated by his sword play, Mitsuki applies as an apprentice.

After somehow escaping the Delusion, Malshina opens up her own Evil Base in Akihabara. Even worse, she has taken Hakase hostage. Can the Akibarangers stop her plans, and what is the connection between Malshina and Hakase?

With the mysterious Doctor Z now in control of Blatantly Evil Marketing Firm B, Hiroyo finally reveals the truth regarding the Akibarangers, the Delusional World and their connection to the Z-Cune Aoi anime, even as they find themselves against a tough new opponent.

As the Akibarangers bid farewell to Nobuo Akagi, Hakase’s half-brother Takuma Tsuzuki takes on the role of Akiba Red. As Nobuo is preparing to leave Akihabara for the United States, he comes to a shocking revelation about their world.

With Nobuo’s discovery that their world is in fact a television show, the Akibarangers must subvert the final episode tropes to prevent the end of their world.

Visiting the Secret Base for the first time in nine months, Nobuo and Hiroyo recollect what happened during the previous battle... but their memories aren’t quite right...

Discovering Akibaranger has become official at the cost of Dairanger, Nobuo tries to fix matters by himself, but he must ultimately reteam with Yumeria and an idol wannabe to deal with the new threat to reality.

As the Akibarangers try and figure out how they’ve replaced Dairanger as the 17th Super Sentai, they are attacked by an angry Kibaranger, who declares he’s now only a shadow of his former self, when suddenly, Malshina appears!

General Pain unleashes a reconfigured Tentoraiger, Mutou Mushiten, who uses the powers of past Sentai villains. As the Akibarangers try and figure out how to beat their new enemy, they find themselves face to face with veteran villain suit actor Okamoto Yoshinori!

Having found General Pain’s hideout, the Akibarangers fall into his trap and are Delusimported into a Grand Delusion where General Pain makes the rules! As they struggle to find a way out, they realize that they are experiencing another franchise trope: the defeat of the team’s mecha!

After defeating Delu Knight by exploiting the defeat flags in the warped reality, a strange new hero appears to become the 4th member of the Akibaranger team! However, upon their return to Secret Base Cafe, things are still twisted as they discover their new teammate is intended to replace the Super Sentai franchise entirely! The grand final battle is about to begin!

As the final battle has come to a close, the memories come flowing back as Kozkoz and Hakase remember their friends’ adventures, but what is the future of the Unofficial Sentai?