Well, I am arguing that no, it is not. And I don't see what makes qualia mysterious and different from raw sensor values.
"An organism has conscious mental states if and only if there is something that it is like to be that organism". I would argue that something that has a memory that can contain representations of its own internal states exhibits conscious mental states.
[1] This is the most well known paper on this: https://en.wikipedia.org/wiki/What_Is_it_Like_to_Be_a_Bat%3F