Time traveler Calen is hopping through time, trying to get away from Akudarma Trio. After a direct hit, she is forced to crash land in 2016 and encounters a boy named Tokio. The Akudarma Trio is right behind, so she has no choice but to take Tokio with her to the 24th century to escape. There, Tokio finds out that Calen works for the JKK, an organization that travels through time, trying to find out the True History. Tokio then finds himself travelling with Calen to Ancient Egypt to find out the truth about Cleopatra.

Tokio and Calen go to Onigashima to find the next True History. And then a peach came rolling down the river... wait, that's a red ogre's butt?! The red ogre tells them that he was punished by someone more ogre-like than actual ogres and starts crying. He leads them to a stage, where loud music is playing, and the one on stage who has all the female ogres' attention is a super hot Momotaro?! Calen tries to go talk some sense into him, but falls for him, too! Wait, Bimajo, too?!

This time, they travel to the Mesozoic Era. They arrive to a jungle in the Mesozoic Era and find a True History signal. Right when they get there, a dinosaur pops out! However, it has a ribbon on and they find out that dinosaurs are pets. Tokio mentions that he wants a T-Rex for a pet but then Mechabuton gets taken. At this rate, they won't be able to return to their own time...

This time, it's the True History about Halloween. However, the place they arrive is the Tottori Desert in the 4th year of the Meiji Era. Tokio and Calen meet the host, Fukuzawa-san, who they think they've seen before. Apparently people mistake Tottori and Shimane quite often, so he holds a quiz about them. It starts on October 31st... Wait, does that mean "trick or treat" was originally "Tottori or Shimane"? Akudarma won't allow for such a punny history, so they also participate in the quiz...

Tokio and Calen arrive to Shibuya Station in the 8th year of Showa to find the True History about Hachiko. They immediately find a dog waiting outside the station. They figure it must be Hachiko and go over to him, but instead, they find... Just then, they get a True History signal, but can't seem to find Hachiko. But they look closer the dog's nose, and they see a bee... Wait, is the bee Hachiko?! Of course, Akudarma shows up once again to get in their way of the True History.

Tokio and Calen go back to Spain in 1492 to find the true history about Columbus and his journey to find the new continent. However, when they find him, they realize he has no interest in a new continent, but is trying to discover the next new exercise...