I couldn't pick one Fatui Harbinger Man so why not have a chance with them all? This book will have multiple routes with different Harbingers.

Xiao, protector of liyue learns that there is more then just him in his little world

You y/n l/n, is a highly respected knight between all of the knights of favanios and is trained under the supervision of calavrly captain sir Keaya Alberich and have a unique relationship. Although keaya is quite the secretive type of man you can read him as an open book or.. So you thought...? This is my first fanfic so please bare with me All charcters and drawings i show i are not mine to own and belong to the artist and all charcters are from mihoyo