You are the history teacher at Kamome Academy and your best friends with the Tsuchigomori Ryūjiro, science teacher, and you and Tsuchigomori are both also secretly a Supernatural, Tsuchigomori is representing and curating the academy's 5th School Mystery, and you are the academy's 8th School Mystery that protects the history of the school, the higher up the numbers are a s Supernatural the more powerful the entity is.. So you are three places higher then Tsuchigomori.. But that still doesn't stop you both from being best friends and what not.. He won't admit it to you but he secretly likes your company and when you annoy him just for the hell of it..