Sogo Tokiwa is a teenage boy who dreams of becoming a great king someday. One day, he gets to know a girl Tsukuyomi and a young warrior Geiz. Actually, they have traveled back in time from 2068 to kill him, because he becomes a terrible monarch tormenting people in their era.

Woz told his future king Sogo that Time Jackers want to replace Oh-ma Ji-O with other person to change the history that is convenient for them. Sogo finds that he has to use Build Watch to beat Another Build, and then he visits Sento(Kamen Rider Build) and his buddy Ryuga.

Sogo's classmate turned into Another Ex-aid while he was playing a video game. Sogo tries to find the secret of the game, so he looks for the great gamer M as known as Dr. Emu Hojo(Kamen Rider Ex-aid).

Ora changed Ex-aid's history. Sogo and Tsukuyomi go back in time to 2016 to investigate who first Another Ex-aid is and why he turned into.

Sogo and Gaiz find that some missing girls were the same high school students. They secretly investigate at Amanogawa high school where Gentaro(Kamen Rider Fourze) graduated from.

Tsukuyomi in 2018 gets to know Takumi(Kamen Rider Faiz) and Masato(Kamen Rider Kaixa). Sogo and Gaiz in 2011 see that Another Faiz is born from Another Fourze, just like the shedding of the skin.

Sogo and the company saw a real magic in a show. They suspect the magician got the power of Another Wizard that Time Jackers gave him.

Tsukuyomi has fallen into a coma thanks to the magic spell that Another Wizard used on her. Geiz, who was wary of Hayase (Another Wizard) since the beginning, tell Sougo off that his kind approach is what caused Tsukuyomi's coma, as he goes off to save her himself. Just then, Nitoh Kosuke appears before him. - Meanwhile, Sougo tries to find the meaning behind Woz's mysterious words.

Great news. The large corporation, the Dan Foundation has just declared it's independence from Japan. Sougo has suddenly interested in the president of the Dan Foundation, King Dan Kuroto, who has proclaimed himself as a king. Not only does this king transform Japan's independence, but he also transforms himself into Another OOO. Geiz goes back in time to destroy the Another Rider at it's source, but Sougo takes a different course of action.

Sogo prevents to take the side of King Dan Kuroto, and tries to release Eiji (Kamen Rider OOO) and Hina. Does Gaiz support him or not?

Tsukuyomi and Woz are confused by two Sogo. Meanwhile, Gaiz meets Kaito (Kamen Rider Baron) in Helheim.

Future Sogo gives a clue to present Sogo. He and Tsukuyomi look for Another Gaim Watch that Kota (Kamen Rider Gaim) has.

It's not just Sogo, Takeru (Kamen Rider Ghost) also investigates Another Ghost at the request of his client. Meanwhile, Tsukasa (Kamen Rider Decade) attacks Gaiz.

Since Sogo's spirit has been separating from his body, Takeru is only a good understanding of him. Two of them try to save Makimura siblings to go back in time to 2015.

Some giant robots appear from the sky in 2018. Sogo is astonished, because this is the same as his nightmare he has often had since he was a child. Tsukasa sends him to 2068 in search for the answer.

Sogo went back in time to 2018 with his big decision after the meeting with future himself. Woz attempts to stop the change of him.

Sogo have a bizarre dream that a guy turns into a ninja-like Kamen Rider in 2022, and then it becomes a real after a while. Besides, another Woz in a white coat appears.

Sogo's decision has affected the future, they can't travel in time. They have to defeat Another Kamen Rider Shinobi without a time machine.

Meteorites have been raining down on the Earth, containing alien monsters known as "Worms". Sougo, Geiz, Woz and Tsukuyomi must work with Arata Kagami (Kamen Rider Gatack) to defeat both them, and deal with the return of the Hell Brothers.

Woz has a plan to deal with the impending meteor strike, but Kagami Arata is missing. Meanwhile, Tsukuyomi continues searching for her past.

The Grand Zi-O Ride Watch has appeared, however, Kamen Rider Zeronos still seeks to prevent Sougo from being able to use it.

Just when Sougo thought that everything will be even after acquiring the ultimate power of the demon king, time is altered once again after his encounter with his future self and a new king is crowned in the year 2019.

Sougo continues his search for answers as to what has happened to time, aided by Kamen Rider Decade.

Tsukuyomi has been captured, and Swartz reveals his plans, betraying his comrades in the process.

One of Sougo's classmates, a marathon athlete has gone missing. At the same time, a mysterious Kamen Rider from the future has arrived to take Geiz and Tsukuyomi home.

Sougo and Geiz continue to argue whether to trust the Time Jackers, with Ora revealed as Another Drive. Meanwhile, Swartz summons Kamen Rider Eternal.

Geiz is trapped in the Another World that Swartz has created for him. And Shiro Woz has returned, leading to a clash with Kuro Woz.

Time is in chaos, as mysterious occurrences start to occur, including the disappearance of the Ride Watches. Meanwhile, a man calling himself the "Grim Reaper" turns up to cause havoc.

With time collapsing around him, Sougo makes the decision to travel to 2068, in order to confront Oma Zi-O one last time.