Zongman Chai Dao Xing

Even though he was in an extraordinary world, Shirakawa still felt that urban legends such as [God-Killer Demon King, Seventh God-Slayer], [King of Demons, Fourth True Ancestor], [Warrior of the Goddess, Bronze Five], and the six magical girls headed by Emiya Kiritsugu were far, far away from him. But on the day when he completed a hidden mission in the game world and became the "Demon King of Apocalypse", Shirakawa's daily world was completely overturned. Emiya Shirou: "Dad, you suddenly disappeared from me, is it because-" "That's right." Emiya Kiritsugu looked up at the sky. "I will guide Illya as a magical girl."