The protagonist of the series. His parents died during his first year of middle school and he was taken in by his uncle. However, he felt unwanted and suffocated while living with his uncles family as he believed he was a burden.
After graduating from middle school, he decided to move out of his uncle's house and move into the dorms of his new high school. However, before he could move, the dorms were burned down and he was forced to find another apartment. He ends up renting a room in the Youkai Apartment.
He has spiritual power and is able to summon "monsters" from a book called Petit Hierozoicon. By doing such, he becomes a mage. He trains under Furuhonya and Akine as well as getting advice from Ryuu as well.