It was announced a while back, but Yakuza 4 will be fully revealed next week during the Tokyo Game Show.
The date of reveal, which is on the teaser website which opened over the weekend, is September 24, which is day and date with the start of TGS itself.
If you want to get the game, you best start learning Japanese. Considering the Western fates of Yakuza 3 and Kenzen, this will most likely will go down the same route.
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