-Tetsu-

I guess you haven't met many people?

well, I went to a few lives of them and there weren't many people (In Japan always around 3 people for them, at one I was the only one that came for them, at the european concert I was there weren't even 30 people) and the interest for their new tour isn't big too. Also, there isn't much interaction with them on social media too. so yeh, I didn't meet many people, because there aren't many people to meet.
I know I can't tell by this that there aren't more people listening to them, but nowadays you can tell a lot by the interaction on social media.
Compared to other bands they're definitely a band with a small fanbase.