The concept isn't really that bad. Arranged marriage is a pretty common and stock-standard genre for romance stories like this, but changing it up a little by throwing in some lesbian duplicity can make for a more unique story.
But there's one fatal flaw with this story you've presented here. No, it's not that it's only a couple of chapters long. It's that it's very, very blatantly AI-assisted, if not just entirely made by an LLM. I honestly can't tell if you even edited what the AI spat out or not, or if you just copy-pasted it in it's entirety. The paragraphs of useless, overly flowery prose, the constant politeness, the overuse of em dashes, the rather generic description of the male prince that I've seen in countless of these arranged marriage stories before, it sets your story back pretty heavily. And then shilling your CashApp and Patreon on top of all of that just kinda leaves a bad taste in my mouth personally.
If you want criticism to help your writing, then write your stories yourself. I don't speak for anyone here, but me personally, I want to see what you wrote, not what some clanker spat out in some foul, blasphemous mockery of human art.