Chapter One: Mysterious Murders

Xiao's life has been better than ever since he moved to Mondstadt in order to spend more time with his best friend, Venti. But after Venti is attacked by a mysterious creature responsible for murdering the citizens of Mondstadt at random, Xiao realizes that he might very well lose the most important thing in the world to him unless he takes action. (A dark fantasy Genshin Impact AU)