Probably the main thing that would get them married earlier is if she got pregnant, and that's certainly another can of trauma worms depending on her perspective.
Lilliel is literally described as everyone’s first manga crush and waifu in setting. Series was on Shonen Jump for a long time and the spinoff was more of a middle reception series ala Boruto. Now Melia series was a huge bomb in comparison.
What is the goal of the job? If it’s to have a competent new model then Luluna is your bet. If it’s to inspire a fan base Lilysa might be a good choice. I imagine it’s not that simple either.
There's really nothing stopping people from uploading it to mangadex, beyond the other website complaining about exclusivity. Can't really restrict /a/nonymous as a group...
Think the pages were switched there.
But yeah I'm not sure how much access she'll have to the family wealth once she's an adult. I wonder if she's thought of any future career choices...