Langa, a transfer student from Canada, meets Reki, a high school student who loves skateboarding. Reki seems to be hooked on “S,” a dangerous and secret race that is held in an abandoned mine. Langa, who was looking for a part-time job, heads to the “S” venue together with Reki as an assistant. There, the nemesis Shadow who caused Reki’s injury taunts Reki, and Langa, who has no experience skating, gets roped in, as well!

Injuries healed, Reki enjoys skating as he did before, but realizes anew just how much difference there is in skill between himself and Langa. Gradually, Reki becomes tormented by an inferiority complex. They stop seeing eye-to-eye… And just then, Adam makes a certain announcement.

Langa enters the tournament that will determine the apex of “S.” However, Reki isn’t going to enter. Due to his inferiority complex against Langa, Reki separates himself from Langa. The absence of Reki drops a shadow onto Langa’s heart as the tournament qualifiers begin. As the skaters who will enter the main tournament are decided, the scene is in an uproar over a mysterious skater. The identity of that skater is…

Langa makes it past the qualifiers and will now face Joe. Langa has a hard fight against Joe’s extraordinary power skating, and Langa feels the pressure. He feels bewildered by his emotional changes he feels there. And the race between Adam and Cherry blossom takes place. Cherry blossom had a certain conviction against Adam. Adam’s expression changes. The past between the two of them is revealed.