R2: Rise R to the Second Power

Kenta Akagi is a young pizza delivery boy living in the quiet town of Lutzheim. His life is simple and uneventful, with faraway places and grand adventures existing only in stories. That changes when he meets a mysterious girl who seems to be the center of a conflict that others fear.

People are afraid of her, but Kenta feels a strange familiarity and an overwhelming urge to protect her. As he gets drawn into her world, he must confront dangers beyond his imagination and discover the truth behind the girl and the war that surrounds her.