I think Ava is yet to be sure about what she likes. But she mentions having sex with “someone” not a guy.

Ah, hmm, yeah, I think even someone who HADN’T been locked away from everything for most of her life would still not be completely confident about their sexuality at that age (or even older), but Ava in particular is pretty new to everything. For right now, at least, it seemed like a lot of her feelings for JC were tied up in the experience more than him specifically, so they’ve really left it quite wide open where they’ll go.