Crystilin (Scaramouche x reader) discontinued

Thousands of years passed after Teyvat shook, Celestia having seemed the world 'mundane' and creating what would be known as the Crystilin (Cryst-il-in) pandemic. Everything was left in ruins as once normal people were turned into blood hungry monsters, who were well aware of what they were doing but couldn't control themselves.
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You and two others, Ivy and Ren, were exploring what you called 'The Wisdom's Tree' (Sumeru City), in what you read was called the Akademiya of the past. Finding the Shouki no Kami, and a boy that wasn't exactly breathing but was alive for the most part.