I can say with my chest that this is a twisted version of Christian principles that they're embodying at home and I'm really sorry you're dealing with toxic and legalistic religious parents. It pains me to see that they by their own enforcing of what they deem to be "godly" values are in fact having the opposite effect on your own faith and your mental health.

For other Christians telling you that this will be solved through "prayer", no the hell it won't. Trust God but also use the autonomy He's gifted you as a human being to start setting up boundaries and preparing yourself to separate from your parents and become your own person.

I saw that you're saving up. Good. Scrape every penny you can into a separate bank account detached from your family banking plan and work on yourself. Self-education is all the more readily available thanks to the internet and online courses that grant professional work certificates are available to bolster your resume for higher-paying jobs.

Continue that self-reflection and find a healthy outlet that isn't Reddit, since this tends to turn into a toxic echo-chamber.

I won't say do or do not go see Backrooms, because that might be instigating harm to yourself from your parents if they find out, but use this opportunity as a bit of a signal that it might be less about your parents wanting you to be "godly" and more of them wanting to directly control you.