Summer is almost gone, and Sasshi learns his close friend Arumi is moving soon. To make matters worse, many of the local shops are going out of business and a new shopping area is coming. And now Sasshi and Arumi soon find that they aren't in Osaka anymore, and instead, have suddenly been transported to a strange and magical world.

Osaka is gone, and Arumi and Sasshi find themselves in a world full of dragons and strange mythical creatures. All the familiar faces from back home are here, but with completely different personalities, and the two are suddenly enlisted to conquer an evil force.

Sasshi and Arumi believed that a strange goblin they encountered when they first arrived in the Middle Ages would have the power to send them home. He may have sent them away, but now they are stuck in a futuristic version of their home, and mecha combat may be their only means of escape.

It seems that the goblin just can`t get things right. Another attempt to send Arumi and Sasshi back home finds them now in Hong Kong, and Sasshi is enlisted to train and be a part of an upcoming tournament.

Sasshi and Arumi thought for sure that they were going back home this time, but that`s just not to be. Instead, they find themselves in a prehistoric version of their home, complete with the usual cast of strange relatives that they have grown accustomed to seeing.

Now, Sasshi and Arumi are in a new version of their home that has a vibe very similar to 1930's gangster films, but they both end up working on opposites sides, unintentionally of course.