Thanks for your comment!
I’ve noted your points. I'm not entirely sure about a walkthrough yet, but why not.
The promise of the game is that all LI scenes and routes at the hub will never be blocked by a "bad choice." Yes, you might miss some elements at Paradize, or you might not know everything about Amanda's past during your first gym session, but don't worry, it’s not a game-over.
You can miss some "mission content," but the core of the game remains accessible, and you can always grind a bit to compensate.
I am trying to create a VN where there isn't just one "right answer" or where a walkthrough is mandatory to unlock a specific romance route. However, I understand that this approach can be destabilizing.
You can talk to Prescott in Brittany to get more information about your progression.
PS: Another player actually made a mod on F95zone with a trivia guide and a stats screen, if you're interested.