I just finished watching Dimension W.
Overall it was absolute garbage. I regret forcing myself to finish the 12 episodes. It literally felt like I was watching a Marvel remake or something. The plot was Hollywood-tier and totally convoluted. The art style was forgettable. The characters were bland even by anime standards.
I liked the opening song and the ending song as well to a lesser extent.
Anyway, I recommend that absolutely nobody watch this.
The only reason I picked this up was because the same studio that made flip flappers was involved, which caught my interest. I haven't read the source material but I'm certain that it's garbage. Overall I rate it 4/10. Yes I'm giving it a numerical rating you contrarian pseudointellectual.