青山　芳人

A student enrolled with a folklore studies course at a university in Tokyo. He's chasing after his course professor in order to seek a coursework extension. The professor is away doing fieldwork, which leads to Aoyama chasing after him to Yugoshi mountain, from here the story begins.

He has a younger sister and both of his parents are still alive. His student accommodation is modest (2LDK) and a short distance away from his faculty.