No, you can't. [Her answer is blasé. Even without her connection to Akasha, she knew that without being told.] It would be impossible to, without experiencing it for yourself.

[Souls and the Akashic Record are just physical realities to Manaka. She could explain their mechanics, but as he says, it's already over his head.]

But being without it... I think it's a little like you losing your mask. You can still see, but your field of view is smaller. Diminished.