So is this 'guy' Nue? Genderbent Nue or concealed form Nue? Not like there's any other Nue in Gensokyo.
We know that the guy is a nue. Whether or not he's our Nue Houjou is currently uncertain. That concealed form thing makes sense, though.
Falling back and requesting help from the miko is the wiser choice.Pissed!But Kogasa's pride refused.And has hurt her loved ones.That miracle won't happen again.You stole my prey.Shivering FitIt's merely an umbrella's life, it isn't worth much!A great fear and evil intent is staring down at her.This man has stolen too much from her.Hmph!