I think we can safely say she's bi or pan at this point.A lesbian girl got wet all the way down to her feet from hugging a guy. It's that kind of world.
Remember that her backstory is basically that she's a lesbian because all men she's met have been disgusting, and Miku was like a queen. So suddenly meeting a decent man is re-evaluating her world view. If you think all men are trash, your only option left is women.I think we can safely say she's bi or pan at this point.