The OnePlus 8T Cyberpunk 2077 Special Edition may be a limited run smartphone, but a knock-off case modelled on its design is not. The case sells for CNY 30 (~US$5) too, making it more affordable than picking up the Special Edition model.
https://www.notebookcheck.net/Someone-is-selling-a-knock-off-OnePlus-8T-Cyberpunk-2077-Special-Edition-case-for-US-5.506094.0.html