Hey, I've unlocked every dream diary ending except for the final one. I don't want to spoil anything but does it have to do with L**a ? Can you give me some hints/pointers as to how to unlock it? Or is it not accessible yet?
The last dream diary ending is accessible. I can only say that you can unlock it with every chara, but with L**a it's much easier, due to its peculiar mechanic. You just have to "act outside the box" ;)