Cardfight!! Vanguard

Season 4, Episode 21

Episode Title: The Oath of the Blue Flames

Air Date: 2014-07-27

Overview:

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?