This bridge is trying to get Mastodon and BlueSky to exchange information… https://techcrunch.com/2024/02/14/bluesky-and-mastodon-users-are-having-a-fight-that-could-shape-the-next-generation-of-social-media/

Would need human curation to select the best websites in each field.

I think the biggest challenge will be to standardize the scraping process since databases for audiovisual content are very differently structured. Will probably require database-by-database API access/negotiations so that you know how their databases are structured - completely FOSS audiovisual content databases are rare.

I was referring to that you could take ideas regarding UX/UI from it.

https://www.kenmei.co/ may be close to what you want for manga.

The good afterlife is only available to them if they have been “good people” while alive, and dying early is not being a “good person”. Also, after their death, they supposedly get “judged”, and everybody is going to worry about the X number of “sins” that they did during their life that might end them up in hell.