Singularities. Points in Human History which have become corrupted with the presence of a Holy Grail with the end result being the incineration of Humanity. However, it is not the Grails alone which are divergent. The Incineration comes about as one world in particular comes to an end. The two become linked as figures from a different Throne reach across the barriers between worlds

Goetia, surviving his failure at the Temple of Time, finds himself in a new world. Despite the rather unusual nature of it, he finds himself disappointed that he see's much of the same human nature that he saw on Earth. Determined to discover what it was that made human life worth the struggle, he decides to use his second chance to find the meaning of his own life. (Azure Moon)

Counter Guardian EMIYA had no wish for the grail, he did however have a single desire. Kill his foolish younger self. He finally finds himself summoned in Fuyuki. Only there's one small problem. This isn't his Fuyuki and what's with these 'Magical Girls?

Zelretch flings Shirou off into another world and tells him to await rescue via Rin. Easy task right? Wait a second what's with all these phantasmal beasts and why do they look like people?

Shirou is unwittingly thrust into the Sekirei plan along with his hired help...and by that it means that the pair of them were shunted into this world by a certain Vampire for his own amusement. Now Shirou as to contend with aliens...and a certain super weak servant as his only available ally.