Singularity: Fate/Stay Night

Shirou Emiya was an ordinary boy living a peaceful life with his parents in Shinto, until the catastrophic Great Fire engulfed the city, a tragedy born from the aftermath of the Fourth Holy Grail War. The inferno claimed the lives of his parents and left Shirou on the brink of death. In the midst of the flames, he was saved by Kiritsugu Emiya, a magus burdened by guilt, who wished to finally "save" someone, a desire that led him to embed the mystical scabbard, Avalon, within Shirou to heal his mortal wounds. As Shirou began to recover, Kiritsugu offered to adopt him, revealing his true identity as a magus and giving Shirou a glimpse into the world of magic. But in this altered timeline, Shirou is not just an innocent survivor. Within him resides another soul—a fragment of a being that has lived two vastly different lives. One life as Kaizen Santos, a college student from Earth who saw the Fate/Stay Night as mere fiction, and the other as Shiro, an artificially created ultimate life-form, forged in a crucible of unimaginable pain and despair. With these fragmented memories and identities coalescing within him, Shirou must navigate the turbulent waters of the Fifth Holy Grail War, torn between the ordinary life he yearned for and the extraordinary destinies his fractured soul demands. As the boundaries between his past lives and present self blur, Shirou's journey will challenge the very fabric of fate itself.