So as the war is basically confirmed and right around the corner(looking at you, chapter 266!) it's time to make a poll about the outcome. Keep in mind though, this isn't a "which of the two do you like more" poll, but who do you expect to win and who do you think Ohtaka fate will favor?
I don't think Ohtaka will let Kouen win. In chapter 265 it was said that the outcome of this war will change the Kou empire and the world forever. And nothing will change with Kouen's victory, it will only strengthen his resolve to keep doing the way he was doing, even if he loses some of his brothers. I see endless possibilities for the plot to develop with Hakuryuu taking over the empire, which is why I believe Ohtaka will make him win.
I don't think Ohtaka will let Kouen win. In chapter 265 it was said that the outcome of this war will change the Kou empire and the world forever. And nothing will change with Kouen's victory, it will only strengthen his resolve to keep doing the way he was doing, even if he loses some of his brothers. I see endless possibilities for the plot to develop with Hakuryuu taking over the empire, which is why I believe Ohtaka will make him win.