Cardfight!! Vanguard S04 E21 The Oath of the Blue Flames

"Let's start Vanguard!!"

Kamui challenges Gaillard, who is protecting Aichi's seal. Kamui, who turns his friendship with Aichi into his own power, launches a fierce assault on Gaillard, who finds himself fazed. The bonds between mates, or Gaillard's loyalty; who will win?