Furuki Kumo Wa Kaiko To Tomo Ni Ito Wo Tsumugu Wiki

An Old Spider Spins Webs of Memory

At least once in their lifetime, a person reflects back on all that might have been...
In the late 19th century, in a city somewhere in Europe, three groups struggle interminably for dominance. The delicate balance of their deadlock maintains peace in the city, but the arrival of three mages, all seeking a most precious treasure, threatens to upend everything...
This is the story of one whose regrets haunt him to this day. What careless mistake does he speak of? What plunged him into a world of remorse and self-recrimination?

A limited time event in Fate/Grand Order, released on the Japanese server on March 11, 2019 and on the NA server on March 8, 2021.