On his deathbed, Shirou was paid a visit by Zelretch. Offering him a chance to escape eternal servitude to Alaya the fake hero takes it to avoid a future like EMIYA. Waking up, he finds himself in a strange new world. Now living in the virtual world of YGGDRASIL, Shirou meets and befriends an unexpected individual. "Huh, never thought I would be friends with an undead." UBW!Shirou

As Shirou was dragged into the hole left behind by the grail, the grail itself reaches out to him, acknowledging him as the true winner of the Fifth Holy Grail war. His wish of becoming a Hero is closer to being granted than he originally thought. Now in a world where being a Hero is a feasible profession, will he become a true ally of justice?