Takei Toshio is a 3rd Year High Schooler appearing in U-17 Camp and is introduced as initially a player of the 3rd Court along with Nakagauchi Sotomichi, Miyako Shinobu, Washio Issa, Suzuki Shun and Matsudaira Chikahiko. However the 3rd Court lose to the 5th Court in the team shuffle so he and the others are now members of the 5th Court.