Hironori Masue

A mysterious organization is interested in fledging duelist Shobu Kirifuda's ability to bring Duel Master creatures to life. With the support of his friends, Shobu duels with passion, discipline, and heart as he strives to be like his father and become the next Kaijudo master.

When a Karizaki from a parallel Earth arrives and asks for the Riders' help, Daiji, Kagerou, Hiromi and Vice argue which of them is Ikki's secondary rider.