Kodou entered the D1 Grand Prix and advanced to the second stage. An omake from the tankōbon volume 5 revealed that he Dueled Jean for the Level 1 Star Ticket and lost. Later, he is shown to have headed to the Level ? Duel Zodiac. Crow later goes there as well, and when he arrives, he finds Kodou on the ground, covered in injuries, saying that he can't win against "him", shortly before he passes out and retires from the tournament.