A high school student living in Fuyuki City, Japan, is dragged into the Fifth Holy Grail War, a secret magical tournament.

In the world of Hidan no Aria AA, there are special students called Butei who are authorized to carry weapons, investigate crimes and solve various...

Hakuno Kishinami finds himself in the midst of a Holy Grail war with no memories of how he got there. Through his confusion, he must fight to survive.