Chapter 1: Mysterious yet dangerous

Kōri is the 12th Harbinger of the Fatui. She is mysterious, deadly and always wears her Mask. No one saw her face,not even Tartaglia,also known as Childe,the 11th Fatui Harbinger. Childe was curious and jealous of this deadly Girl until he finds out not only more about her but also gets behind the Secret of the Fatui itself with Kōris Help...