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Shade suddenly summoned a gigantic black grimoire out of his own shadows. It honestly spooked me a bit.
"This is the Abyssal Grimoire of Records, where I keep record of many things since we got it. Amongst them, there's the detail information about every person that composed the last Demon King's army."
"Oh, that thing! So you had that Grimoire with you." My father instantly felt relieved. "So who is she?"
"Here, I found her… And Sarach as well." Shade said. "This is the info I gathered after we slain the Demon King and his subjects ran away, we didn't gave chase because we were tired of fighting, but just in case, I kept these records…"
Check "The Protagnist's Sister Is Actually the Strongest"!