Arknoah (Series) favorite_border

Earl and Gray, two bullied brothers, find a strange picture book in their father's study, where he died in an accident, and wander into the other world of Ark Noah. It is a world in a picture book, a boxed garden surrounded by ceilings and walls, where there is no war or famine. They learn that they cannot return to their original world unless they defeat a terrifying monster that has appeared to destroy Ark Noah. ...... This is the first full-length fantasy story by the genius Otsuichi!

Transl...