The band leader did say that this was an original song and a brief glance through the Twitter replies along with a quick Google search didn't turn up anything meaningful in terms of this being an existing song I could find a link to, so...
Someone did say that the songs she listens to kinda fits how she is feeling at the moment.
I did. And I called it right.
Afflict me like a poison~*Jam!**Jam!*I tried so many times to forget
But because you keep showing up in my dreams
I can't even manage to do that
These lingering feelings for you inside of me continue to