This does contain spoilers

If you hadn't grown up with her, you would've thought Asta was a normal guy. Loud, enthusiastic, caring and had a strange obsession with Nun outfits.

But that is just something she was keeping secret, out of fear of rejection mostly.

So now she's working with two people that she got close with to come out, for 'Asta' to become Astrid. And start making more headway in her own personal battle.