Oh, sorry about that! The save location should have been set to $HOME/Library/RenPy/TODO-today but as it looks it wasn't found in your case. Have you had any trouble running other Ren'Py games?
Usually no! But it's been awhile so... how strange, wonder why it won't find it? *rubs chin*
I've actually played this very game before --before the full release, I mean. Odd. I'll check things out on my corner ^_^
Solved it -- just downloaded it straight from the site, added to my usual Applications folder and opened the app directly rather than using the itch.io app :) Now it not only works, it also brought back the saves from my previous playthrough from part one too ^_^ But I guess it's a heads up in case other people have the same issue, hehe.