You're his friend and you're also a fatui soldier working under him, but the problem is... his little brother, Teucer doesn't really know it, he thinks his brother is a toy maker, and he thinks you're his co-worker, Now Teucer are infront of you while he just watched you guys fight a bunch of treasure hoarders, starry eyed

"Teucer..? W-what are you doing here..?! all over Liyue?!"

He looked at you "I mean my... co-worker here and I was just finding inspiration for a new... toy! Right..?"