Steps are being made toward Guile Emacs integration. The work is mostly being done by Robin Templeton, who (last I heard) works at the Spritely Institute. And as I understand, there are other people pushing on the Guile in Emacs front as well, so you may not have to wait long.
Have you considered trying to setup Kakoune bindings in Emacs? For example like this: github.com/jmorag/kakoune.el