Cardfight!! Vanguard - 4x21 - Season 4, Episode 21- Followmy.tv

Elsewhere in the sanctuary, Kamui fights Gaillard. Despite Kamui's strong feelings to save Aichi, Gaillard claims that Aichi willingly chose to be sealed away. Gaillard defeats Kamui, who has his memories of Aichi erased and is sent back to Earth like Miwa and Misaki before him. Kai and Naoki manage to reach the chamber where Aichi is sealed but are soon confronted by Gaillard. After telling Kai and Naoki that Miwa, Misaki, and Kamui were defeated, Gaillard teleports himself and the two to another chamber where he and Kai begin their cardfight. During the battle, Gaillard reveals his past. As a child, Gaillard's home burned down and he lost everything including his family. He was then put in an orphanage but did not want to become friends with the other children. One day, a boy gave Gaillard a Vanguard card to cheer him up, but Gaillard still was not willing to befriend him. It was not until Gaillard decided to retrieve the boy's toy car from two bullies that his heart began to open. Gaillard became engrossed in Vanguard and made many more friends as a result. He eventually became the champion of the European Vanguard Circuit and has used Vanguard to brighten the spirits of other unfortunate children. However, due to the Link Joker event which nearly Reversed everyone in the world, Gaillard bears a grudge against Kai, who had aided in the Link Joker invasion.