Ch. 1From This Day Forward, I Am Emiya Shirou
After the Holy Grail War, Kiritsugu found a badly injured boy in the ruins and brought him to the hospital. The boy woke with no memories, accepted the name Emiya Shirou, and revealed an extraordinary ability to heal; the chapter explained that he had merged with Ulquiorra Cifer’s soul and inherited his High-Speed Regeneration.
- Kiritsugu found a surviving red-haired boy beneath rubble in the Black Mud and cried with relief.
- The boy woke in Fuyuki City Hospital, recognized Kiritsugu, and pretended he could not remember his past.
- Kiritsugu named the boy Emiya Shirou and offered to let him live with him.
- Shirou pulled out his IV and tore off his bandages, showing that his injuries had already healed.
- The narration revealed that Shirou had merged with Ulquiorra Cifer’s soul and gained his remaining abilities, including High-Speed Regeneration.