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I was a little concerned with the "both sides" vibe in the trailers, but I was pleasantly surprised by how outspoken and brutally honest the show's political message and critique of Japanese society were.
It's a show about the racial tension between humans and kaijin (people who can turn into animal monsters) and how the various characters fight that injustice. There's a cult with close ties to the Prime Minister that's looking for the means to create more kaijin, which Kamen Rider Black Sun wants to stop.
It's basically a political drama with some superhero elements, like X-Men. I don't want to give too much away in case you want to check it out. It's on Amazon Prime
Here's a link to one of the trailers:
https://youtu.be/lV5ppyigAUg
(And there are some gore elements in the show. Not to the level of The Boys if you've seen that, but still a decent bit.)