Anafabula

at the beginning, we plan to offer these services for free to consistent community contributors. Other users will have to pay for access.

Where does it say it's free?

It's just an entry in Wine's AppDB, where they keep track of how well apps run on wine. Like ProtonDB, but for general applications.

German government instance: https://social.bund.de/

As the other person said, domains beginning with xn-- are non-ASCII domains in Punycode.
The real domain is: マリウス.com

Pixiv mostly

I like the concept and overall style, but unfortunately when looking at details it becomes obvious that it's AI generated. The OP on Pixiv also admits it in the comments.

With a picture from Unsplash:

ZIP compression of bmp is worse, but still compresses more than png. Here are the files.

PNG actually uses the same compression algorithm as ZIP (DEFLATE).
Here are the files.

Maybe they store images as uncompressed .bmp for some reason

OpenAI complained about DeepSeek stealing data

It's Miku in a space suit. Referencing this song, but since I can't understand Japanese idk what it's about

That's dutch.