This neighbourhood in Night City is called Little China. Cyberpunk 2077 is developed by CD Projekt Red (you may know from The Witcher 3) and is one of the most hyped up games this 2020.
The buildings at the back aren't from debug so you can furnish them. For now, they're purely decorative. All the buildings at the front are fully furnished.
Once a safe haven for witches and werewolves, soon got taken over by vampires, They Burned the only entrance to the building. The Giant tree. It was a magical portal that connected the two occults. But this castle holds many secrets....can you find them all?