Quote Originally Posted by Aquillion View Post
I mean, it's theoretically possible, but there is a lot more known about the Existence Eater than you're saying -- people not only know that he's only a high-school graduate, they know exactly what he does in the real world (he's retired from the Abyss to try and take government examinations.) That description doesn't really match the main character's mother at all.
How does it not match? We have no idea what the mother does all day - she could very well be studying, or patrolling the Abyss, or whatever.

Heck the level 15 could be a doppleganger she put in place so she could go take the exam right now.