Minami Itsuki never thought about seriously riding Air Treck motorized roller blades, until he got his butt handed to him by a street gang of Storm Riders. That day, he discovered in a locked up room, a pair of AT's and a box of stickers belonging to the Sleeping Forest street gang. One thing leads to another, and Ikki dons the wheels and begins to ride. As his reputation builds in the AT street fighting/racing world, he begins to develop his own gang and participate in more fights, gaining more and more territory.

Takes part a while after Ikki accepts Simca's offer to become the new leader of Genesis. Shows the Battle between Kogarasumaru and Potemkine. The episode takes place between episodes 21 and 22 of the main series.

First episode is based on the 16th volume of the manga. Features Ikki vs. Ringo.

Second episode is based on the 23rd/24th volume of the manga. Features Kogarasumaru vs. Sleeping Forest inside Inorganic Net.