I think everyone's been asking ayu what her works mean, and she's getting tired of it.
This is generally unknown since few actually know what ayu's lyrics say, but she's actually come up with a good answer to these questions in Humming 7/4. She talks about how everyone wants to see things from her POV and how she doesn't like it.

Here's my translation, I've bolded the relevant parts:
Humming 7/4