Ai Maeda

As Gyaos monsters begin to attack Japan again, a young girl - whose parents died during a previous monster conflict - discovers a new creature called Iris. After merging with the girl, the trauma-powered Iris seeks revenge on Gamera, who seems to be losing his patience with humankind.

Three years after the failed BR program, the government finds a solution to its Shuya Nanahara problem on an island with a class of high school kids.

Rikuo Nura lives in Ukiyoe Town and looks like your typical junior high student. But unlike his classmates, he lives in an old, Japanese-style house full of yokai that serve him. Unbeknownst to many, Rikuo is the grandson of Nurarihyon, who is the leader of all yokai. Rikuo is regarded as the Third Heir of the Nura Clan, but he has yet to officially take his seat.

Yuki suddenly shows up a decade after she disappeared, and her friends bring her to a hospital.