The birth of artificial intelligence (AI), which far surpasses human intelligence, is approaching. How should we prepare for situations that overturn the assumptions of civilization? Part 5 of the series ``Superintelligence'' explores the conditions for coexistence between AI and humanity and recommends initiatives that should be undertaken. ◇“Okay, let me hear it.” October 2025, a hotel in Tokyo. Jensen Huang, CEO of Nvidia, who was giving a light blow to a presentation by the National Institute of Advanced Industrial Science and Technology, waited until the topic turned to quantum technology.