I think it's forbidden to shoot during the game of Houwa Cup.
As you say, the Japanese game is almost all shooting ban. It is the same even in the local game. Although very I'm sorry ... also, but is unconfirmed, tweet the game play-by-play and results of Houwa Cup is not even know OK is. This is because, Houwa Cup is was a private game until last year. This year for the first time, has been published for the game toward the fan.
翻訳されて、しばらくお待ちください..