g0at

Tada Banri is a newly admitted student at a private law school in Tokyo. Due to the after-effects of an accidental fall from a bridge shortly after high school graduation, he lost all his memories from before then.

In August of 20XX, a portal to a parallel world, known as the "Gate," suddenly appeared in Ginza, Tokyo. Monsters and troops poured out of the portal, turning the shopping district into a bloody inferno.