Aoi Nanjo

A guy who goes by the name of Mega Pig on Sumino's Blog. He appears in Koko ni Iru Yo! Special. In this story Aoi is in love with his classmate named Hiyori Kurasawa. He claims that he is hard to talk to and never smiles which is why his classmates think that Aoi is cold-hearted. Because of that, he asks Sumino to help him.