THE OATH OF THE PHOENIX

After the tournament, all the friends part ways. The Dark Nebula memebrs head back to base, Yu though is still furious with Tsubasa. But without warning, the sneaky Tetsuya steals Ginga's point counter. It is rescued by a new and mysterious blader: Phoenix, who only agrees to give it back if Ginga can defeat him in a battle.

Synopsis excerpt via Kitsu.