One day, when Aichi pops his head into Card Capital, Morikawa is fighting a kid he`s never seen before. The kid is so powerful, Morikawa can`t even scratch him. His name is Kamui Katsuragi, and he`s a famous grade-school fighter in the area.

Shin gets a brand new "Standing Fight" table for his shop, and so to test it out, Morikawa and Kamui have a fight. Afterwards, Aichi and Kamui notice Kai walking about town, and decide to follow him to see where he lives now. Kai notices, and Kamui challenges him to a fight. Kai senses a strong opponent, and agrees to the challenge, but does Kamui really know what he`s getting into?