The majestic castle on a hill in London's south end is shrouded in fog. A middle-aged man in a black robe appeared to be walking quickly towards the forest to the west of the castle from behind that high wall.

　　The man kept looking behind him, as if he was being pursued by something, and his face was tense. From a distance, he appeared to be a shadow separated from the body due to the black robe that completely covered his entire body.

　　The man took off running as ...