He somewhat frequently fights Ryouga at their first meeting , but upon in the Burst Heart Survival tournament , he joins the group for a short time before leaving .
He is the first rival to Ryouga , and also an entrant into Burst Heart Survival .
Ryouga somewhat frequently fights Ryouga at their first meeting , but upon in the Burst Heart Survival tournament , Ryouga joins the group for a short time before leaving .
He is the first rival to Ryouga , and also an entrant into Burst Heart Survival .