Bro your walls don't work.
Like if you find a corner and walk into it you'll raise up into the ceiling.
But if you sprint into a corner you will simply phase through the wall. As far as I can tell that's every corner. In the game, and a few spots where the lockers meet the wall or where the wall meets a column.
It would appear that you can also bring up the victory screen by pressing G pretty much at any point in the game. Even before Gura and the other Gura are done talking. So I believe I've completed it the fastest. owo
It does look good. The VHS effect over the samey maze-like school hallways is creepy when you're not blasting through walls like the Juggernaut. There's definitely more to this game than what I've seen. (aww well)