After you do day 10 you can look at this to see the different story paths https://www.patreon.com/posts/on-topic-of-42690779
Oh so that's what the different paths meant in the save slots, I thought it was the different routes (in addition to the save files colours)
That's quite an interesting twist, routes within routes basically ? Thanks for telling me about this, I've only completed every Day 6 so far, I would probably have missed that