イーリス

She is a god that worshiped in Shiromitsu Shrine and saved this world from disaster 1000 years before.

Her true identity is Iris who failed to run from the madness of artifacts and become an existence that want to collect another artifacts to become hers. She make a contract to Yoichi for her purpose and give her another magic eye to him. Her magic eye has the ability to petrificate another people in stone instantly and can use it to multiple targets different from how Yoichi uses. Not only that, she can observe what happen in another branch world but limited to past until current events. Naruse family have a strong ties to her so if she wants to move freely and use her artifacts more freely, she must use a body from Naruse family or the vessel will go berserk and she will die because of it./