Tatewaki Naitou is a character from the third and fourth seasons of Cardfight!! Vanguard. He is the student council president of Miyaji Academy. Tatewaki is an elitist, believing that Aichi's Cardfight Club is unnecessary to the school. He greatly respects his school, and strictly promotes the school's interests in "global human resource development". Even after the club becomes officially recognized, he continues his attempts to abolish it. 
(Source: Cardfight!! Vanguard Wiki)

A few months have passed since the VF Circuit, and Aichi is now in High School. However Aichi is in a different high school than most of his friends, a high school where the instructors focus on looking towards the future. One day Aichi admits he thinks Cardfight can be a future people can believe in, but in order to prove it Aichi must use his new deck, a deck in which Royal Paladins and Gold Paladins are combined as one force. Slowly but surely Aichi must gain friends through Cardfighting and help his new team win the newly formed high school cardfighting championships.<br><br>
(Source: Anime News Network)

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Aichi Sendou and the Miyaji Cardfight Club aim the win the national championship, but problems arise after the timeline has been rewritten and taken Kourin off the team. Now Aichi and company must find a way to get back to 5 members to compete while the Student Council tries to shut them down. Meanwhile Kai battles his own demons as he tries to figure out how to reconnect with his cards, and Kouji Ibuki must decide whether he wants to give up the game or find a new way to play that doesn't involve deleting others.<br><br>(Source: Anime News Network)