Tsukundere is not at a stage of development where it could easily define its own language. You still have to do much with SDL2. You can however use Wisp – for the Guix recipe you need to add it as input, otherwise simply have it in GUILE_LOAD_PATH.
I'm a bit torn on the infodump. I don't think I can shorten it that much without compromising on the core themes of this dystopia.