It’s up to Arc to say exactly when she’ll return.
I mean, thus far there’s a pattern where the girl’s names have the same initials as the district name.
If that logic still holds, then we might have to wait until we get to Trinity Gates Hotel. Although… that district is claimed by the Eldritch. And the twins were on Organisation turf.
Maybe she’ll appear in a story event, not involved with conquering districts.
Also yeah, Ophelia was a bit of a struggle for me too. Ditched seduction as soon as I saw all that WP. Managed to get her with Hazel as main.
And to think the fights are going to keep getting harder…