Kimiyuki Hashimoto

To protect his family from a mysterious being, a man joins forces with a journalist and an exorcist - but they come to learn what they are dealing with is beyond their imagination.

Akira Tachibana is a soft-spoken high school student who used to be a part of the track and field club. Working part-time at a restaurant, she finds herself inexplicably falling in love with her manager, a divorced 45-year-old man.

When a massive, gilled monster emerges from the deep and tears through the city, the government scrambles to save its citizens. A rag-tag team of volunteers cuts through a web of red tape to uncover the monster's weakness and its mysterious ties to a foreign superpower. But time is not on their side - the greatest catastrophe to ever befall the world is about to evolve right before their very eyes.

A mysterious creature destroys part of the moon and then warns that, if it is not destroyed before March of the following year, Earth will be next. It also demands to become the homeroom teacher of Class E, a third-year class at Kunugigaoka High School.