Kai

Kai at the end of the first episode of the Anime and the first volume of manga. In the beginning was the captain of the Blade Sharks, a group that terrorized the other niche players. Takao Kinomiya Meet when one of his henchmen, Carlos loses against it. Fight back but is a draw and once again faced with the regional championship Kinomiya Beyblade, which Kai lost, but became the team captain of the BBA, which together with Takao Kinomiya, Max Mizuhara and Rei Kon , will represent Japan in the first world championship of Beyblade. Initially rejecting his teammates but little Von little begin to...

Kai, one of the main protagonists, appears in the end of the very first episode of the show; at the time Kai is the team captain of the Blade Sharks, as well as the Beyblade world champion. Tyson Granger, another protagonist of Beyblade and Kai meet after one of Kai's 'underlings', Carlos, loses to him. Kai defeats Tyson as easily as Tyson did Carlos, though he does not use his bit beast for this victory. Later on, Kai kidnaps Tyson's genius friend Kenny, and is challenged Von Tyson for his freedom. The fierce battle ends in a tie thanks to Tyson's new bit-beast, Dragoon. Kai releases Kenny...

kai was feeding his cat when it happened. a strange blader wearing veils was approaching him. "i want to battle you," she said. "i've quit blading," kai replied. "i see," the newcomer said, "so Du don't accept my challenge. ok then i'll have to find someone else. i think tyson will be interested."
kai looked up as soon as he heard tyson's name. "how do Du know him?" he asked. "he's my friend. he brags a lot about you," the girl replied. "i accept your challenge." the girl laughed. "when do we have the battle?" "tomorrow morning at ten." so the girl nodded and went away.
since six years after...