Quote from Cthylla
It doesn't show them having sex though, so I wouldn't really count it
I agree with this. The way MU defines it, I'd say 'yuri' is when there's actual graphic sex depicted in the story, not when they mention it in passing/discuss it or cut-to-black and/or fadeout the 'scenes'. The one would-be-explicit shot in Candy was faded out, so it's not yuri.
As far as I'm aware, the way the English-speaking manga fandom categorizes BL and GL is different from how it's done in Japan. Tagging for BL manga follows the "yaoi for graphic sex, shounen-ai for no sex or merely implied sex", so I don't see why it shouldn't be applicable to GL.