>>941611719
No idea, sorry, it's from a Chinese guy who likes Xiaohei a lot, but I he never said what model he uses, or at least I couldn't find such a post if he ever did.
If I had to guess, I'm pretty sure that the images are made with Stable Diffusion, there's a lora of the character on CivitAI. He only made a couple videos and that was the only one with Hei, so it probably is just Wan, videos take him a lot of time, and that's why he mostly does images.