The fact that he was not a professional voice actor , but rather a musician , was the cause of this debate .
One area Yazawa and Kobayashi did not agree on was the casting of Shunsuke Mizutani as Arashi .
The fact that Yazawa was not a professional voice actor , but rather a musician , was the cause of this debate .
One area Yazawa and Kobayashi did not agree on was the casting of Shunsuke Mizutani as Arashi .