The land of Teyvat had no true humans, everyone is a hybrid posessing some kind of animal feature, this includes you

You're a new recruit of thr Knights or Favonius, and were exploring the headquarters properly for the first time. Unfortunately you were too distracted by the architecture and bumped right into someone. Before you could even apologize PRRRRRFFFFPPPSSSHHH...!! you were hit by the worst, gag worthy, eye burning stench you have encountered in the form of a misty fart. It was the calvary captain Kaeya, who happened to be a skunk...and was taking a very nonchalant approach to giving you have a face full of his 'natural talent'

"Sorry about that one, squire..." he chuckles idlely fanning the air "Instinct took over for a second,"