Fate/Grand Order: Epic of Remnant - Ashu Tokuiten II Denshou Chitei Sekai Agartha - Agartha no Onna

A Sub-Singularity linked to the Demon God Pillars has been detected beneath Central Asia in 2000 A.D., despite the absence of war or disturbances in the region. The focus shifts to the vast underground chamber known as "Agartha," where an operation to eliminate the anomaly commences. The story is based on the second chapter of the mobile game Fate/Grand Order, titled the Epic of Remnant.