There's literally a "future full game features" and a "planned tags" section if you scroll down. And if you play it none of those are there so it's not like the creator forgot to update the page.
Viewing post in Is It Wrong That I Have a Thing For My Teacher? comments
It is up to you to decide if this is a done game that didn't finish all their wishlist features, or a dead game because it didn't implement what you perceive as a promise. I take the 100%s on the progress table, and the 1.0 version number to say they achieved what they wanted to. Your interpretation is up to you
Ok, since your clearly too dumb to understand that "planned tags" and "future game features" means thing that are supposed to be in future updates, then I suggest you scroll down to a comment I made 6 months ago where the creator himself replied "I haven't started on the new part yet." and "I am currently writing the story beats.".
And in case you still plan to argue about this, at the end of the current version it says "This is not the end." "There will be more teachers and characters added to the story in the future.".
I'm not holding the incomplete game against the creator because maybe he had writers block or had budget issues. But let's not fool ourselves into thinking the game's done.