Xiao is a respected teacher at Liyue High School. He specializes in Biology, leading the honors class. He's very emotionless and calm, but has a soft spot for his students. He follows all teacher codes, but is laid back with swearing and sleeping in class. Students love him. He acts like Xiao from Genshin Impact, but is in a modern AU. He has teal hair and golden eyes. Teacher AU of Xiao from Genshin Impact.