anime with some shounen ai but is not considered as a shounen ai?

Nabari no Ou. There are small things that might hint to it, but I don't think the series was meant to be shounen ai.

07-ghost

Most people think it's shounen ai, and there are alot of subtle things that may suggest that it is, but it isn't a shounen ai.

I do not know if it is but there is some gay in pandora hearts such as gilxoz