There is more exceptions. Maybe a bug.
If you are logged out or have setting to not show adult content in browse and you go to browse and select certain tags, like Erotic, the setting is ignored.
But tag Erotic does say
Erotic
Usually containing sexual themes, content or more. Not safe for work most of the time.
So, how to browse for the sfw Erotic while not seeing marked as adult content? I say this is a bug, but I mailed this to support in April already.