A lot of invisible walls suddenly appear all around the world. The same phenomenon happens in Nanahama Town, but another phenomenon takes place as well...

"Landforms and buildings have gone back to the past." People in Nanahama are confused, but they somehow keep on living there.

Two years later, Kyouka, a TV reporter, and Tomaru, her friend, are sent to the town to investigate the cause of the phenomenon...

[From Himeya Shop]