Tomoaki Yamagishi 山岸知明

A young male teacher who is blackmailed into being the advisor for the Literature Club by Hitoha, in the absence of their former advisor and imminent disbanding. He is given the nickname Milo-sensei by Hitoha and is called by that nickname by the rest of the club. Hitoha later seems to develop a relationship with him that he is highly reluctant.