Honkai: My Wandering Days Begin with a Book for Calling Reinforcements

(This is the author's first time writing, so please be kind. I can promise that nobody except the protagonist will get killed off. Anyone who's already dead doesn't count.)

“Good news: I, Jiang Baifan, have transmigrated. But why do they all recognize me? Noah, why are you here? Isn't this Honkai Impact 3rd!? ...Who am I?”

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