The Nico on the left in the illustration is definitely wearing a black-and-blue dress, while the Nico on the right has donned a white-and-yellow number.
As for his stance on the decisive dress, that’s unknown, but he’s definitely aware of the debate, given the wardrobe choices in his illustration.
Well, except for in the two rectangles that appear on the left half of each anime idol’s body.
Follow Casey on Twitter, where he will never, ever forgive Love Live! for having that exclamation point at the end of its title.