I really like this idea! I agree on Carson's note of looking into LGBTQ orgs for support. I would recommend looking into Youth Tech Health. They will be hosting a conference in May and may be willing to support your project so that you can have a prototype or business plan to show by then.
As someone who has a supportive safespace/ community and an entreprenuer who's approach to a problem is being the solution, I highly support your project. Youth definitely need supportive ecosystems that can build them up, and counsel them. I hope you make it far with this project!