This is a paid asset, but now you can download Neo Tokyo (Built-In) Free.
Detail this asset from Unity Store: Original Link
Neo Tokyo (Built-In) v1.0
“If possible, please buy the package to support the developer”
◼ PRODUCT DESCRIPTION ◼
Create skyscrapers and megastructures that tower over civilization and echo the philosophies of future generations focused on maximum space and energy efficiency. Whether you’re designing for film or video games, anime or manga, this kit will take you into the not-so-distant future of a 2020 Japan Olympics or far beyond your wildest imaginations with a vertical city mimicking organic biological growth as it extends further and further towards the sky.
Modeled by Joshua Cotter, and texturing by Mike Golden, with cover art by Maxx Burman.
◼ A MESSAGE FROM KITBASH3D ◼
Proceed with creativity! You are about to purchase a 3D asset kit that includes elements to set the scene as you build your world, whether it’s for video games, film, television, design, or art. These completely customizable assets will serve as the building blocks to help you create an original environment.
◼ KEY FEATURES ◼
-57 Assets
-141 Meshes
-26 PBR Materials
-83 Textures
-4096×4096 Texture Maps
-4.2m Polys
◼ COMPATIBILITY ◼
– Works in Unity 2019.3.13 and above.
– HDRP/Built-In versions are freely upgradeable to Unity customers.
 – Free Download){kind=link}