If you mean the AfD which are actual Nazis, they never had power yet but gain much more traction recently sadly. Even Elon Musk loves AfD but he a Nazi too, so no wonder things gained traction with his twitter/X.
Everything that were in government, was pretty left wing except the CDU which was… well they were lobbyistic but not that far right. But today they are.
I guess welcome to Japans culture?
Its very brutal afaik