It's a story in a certain world that is different from here. Flora, who attends a girls' school in Tokyo, is attacked by a monster that suddenly appears, but her life is saved by Rize, a resident of another world. Why was he attacked? What exactly...

The world was born in chaos, the ancient gods to avoid further conflicts separated their offspring in three different spatial and temporal dimensions, entrusting the protection of them to the Champion. Now, however, the Champion has disappeared. It...