Sendou Aichi is the timid third-year middle school student who has lived a boring and simple life trying his best not to stand out too much. Growing up, Aichi has always been the shy and lonely boy at school who frequently gets bullied by his classmates. His rather fairly ordinary life started to change the day he received the rare “Blaster” card from Toshiki Kai, a calm and collected high schooler, and introduced him to a the world of Vanguard gaming.
Throughout the series, Aichi awakens the mysterious powers of Psyqualia, a rare psychic ability that gives him the power of precognition during Vanguard battles and knowing his opponent’s moves before they make them. He started out with the Royal Paladin Deck which he exchanged later on with the Shadow Paladin Deck.