The battle between Cherry blossom and Adam was decided by a painful blow by Adam. Kikuchi challenges himself to the main tournament with his own set of emotions in order to stop Adam. Meanwhile, Reki realizes his true feelings but still hasn’t found an answer to what he should do.
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.
"S" is a dangerous, top secret, no-holds-barred downhill skateboarding race down an abandoned mine. When avid skateboarder Reki takes Langa to the mountain where "S" is held, Langa, who's never been on a skateboard in his life, finds himself sucked into the world of "S", and…?!