I was close to have six 8s, but I'll take it

The fact that there's an election in Japan and a snap legislative election in France happening in the same day made this tweet very powerful for the latter country. He'd be voting for the New Popular Front group (left with suport from centre-left and far-left) btw, which is a W.

And on September 19 too! What are they cooking???

Seems like Mystery Dungeon will be referenced in Yakuza 8, with the possibility to rescue missing people from abandoned buildings (act as roguelike dungeons). Kind of familiar with the Shiren the Wanderer/Pokémon Mystery Dungeon games.

Note that there were dungeons in Yakuza 7, albeit basic.