Nagasaki: The Lost City

In the aftermath of World War II, a miraculous discovery is made in the ruins of Nagasaki. A group of teenagers uncover a hidden underground city that was thought to have been destroyed by the atomic bomb. As they explore this mysterious world, they encounter powerful artifacts and dangerous foes. With the fate of both the past and the present at stake, the teenagers must navigate the treacherous secrets of Nagasaki and uncover the truth behind its disappearance. Will they be able to restore the lost city to its former glory, or will they succumb to the darkness that lurks within?