The girlfriend of the student that the Bugsters were after has contracted the game illness. Hiiro transforms into Brave and succeeds in separating the Bugster from the girl as Graphite battles the Riders. After the battle, Taiga, who intended to “repay” Graphite for what happened 5 years ago, is cornered by Hiiro, telling him that he could have saved Saki. Who is this Saki? What happened between Taiga and Hiiro?