His hometown is Kyoto. Hiori speaks with a dialect and has a Kansai accent. He is an avid gamer. He thinks his biggest strength is how he's able to see the bigger picture. He always buys Yakult in convenience stores. His disliked subject is PE because he already plays soccer, hence making him think that it's pointless to have to participate in PE. His preferred type is a person who can leave each other alone. His favorite food is the salt-grilled saury. His disliked food is cotton candy.