 It strengthens the shot by focusing all the momentum on the wrist, but it can break the wrist if overused.During his match against Gin, he develops a "Final Hadoukyuu" that, because he accidentally hit with racket frame instead of the gut, the ball vibrates, and thus has power far exceeding Gin's strongest Hadoukyuu, breaking the latter's wrist.He also reappears as a candidate in the U-17 selection camp, where he loses to Jin Akutsu, but comes back to take the No.