"That's game over, Arita--I mean, Silver Crow."
His life completely transformed since meeting Kuroyukihime, the most beautiful girl in school, Haruyuki has grown up into a magnificent knight, fat and bullied though he might be.
As the season turns to spring, a strange new student appears before Haruyuki and his friends, now in eighth grade. This mysterious seventh grader has mastered the art of using Brain Burst in everyday life, despite being curiously absent from the Duel match ...