Akina and his friends, having strayed into the Fantasma, find their path blocked by "Fantôme Fighters". The only ones who can stand against them are the special "Mythisch Fighters" chosen by the cards. What is a Fantôme Fighter— The collective name for those who confront reality and fight to protect the fabricated. What is a Mythisch Fighter— The collective name for those who withstand the Fantôme and fight to protect the real. Will the parallactic be erased, or will it become the verity? —Stand up and fight with your existence on the line.

Early 2000s Tokyo. Isobe, a combatant for the evil corporation Ganglion, spends his days on the battlefield. Whether it's the "Tokyo Cedar Pollen Operation" or the "Mount Fuji Demolition Plan," he faces off in nothing but a bodysuit, only to be crushed by the hero Hopeman time and again. As he struggles under unreasonable bosses during the dawn of compliance, his story unfolds—a workplace drama dedicated to all who work, following the bittersweet life of a salaryman soldier.

Ever since she was a child, Himari Aozora has adored the world of the idol princesses known as AiPri. Long ago, Himari made a promise with her best friend, Mitsuki Hoshikawa, that they would debut as AiPris together. However, Himari has grown to be incredibly shy, and she has all but given up on her dream. Both girls enroll as first years at Paradise Private Academy. On the first day of school, Himari gets lost on her way back to the dormitory and stumbles upon a room radiating a pink light. She falls into the room, and a bracelet clasps onto her wrist, transporting her to the AiPriVerse—the world where AiPris perform. Himari accidentally enters the newcomer auditions for the AiPriVerse, and her performance impresses Paradise Academy's Student Council. They offer to become her producers, with the condition that she will conceal her status as an AiPri. Little does Himari know that Mitsuki herself is also an AiPri and has been hiding it from her! Their childhood dream of performing together gradually comes to fruition—even as the academy's principal threatens to ban AiPri from school grounds entirely.

The second cour of Enen no Shouboutai: San no Shou. As chaos spreads, Shinra and Company 8 fight to stop a final, world-ending blaze. After undergoing Benimaru Shinmon's hellish training, Shinra Kusakabe and Arthur Boyle return to Special Fire Force Company 8. However, there is no time to rest: Captain Akitaru Oubi is arrested by the military police under the influence of the White-Clad cult. Moreover, the White-Clad member Haumea—one of the eight pillars who possess Adolla Burst—has successfully brainwashed the leadership of the Tokyo Empire and infiltrated the heart of the firefighting organization. As a result, Shinra and the rest of the Company 8 squad are branded as rebels after they launch a rescue mission to save their captain and ultimately liberate Tokyo.