Given who supposedly wrote End and Dawn, isn't it more that Erika is Battler?
I mean there's no literal interpretation on a story level where that makes sense but if Erika's just a separate and wholly fictional existence, she basically is kind of Battler.
"So yeah the guy you can't remember you are and the girl you made up are stuck in a bedroom and we need your ex-girlfriend's imaginary maid's imaginary brother to save him."
"How's she gonna do that?"
"Does it really matter?"
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