My PIXIV link:

https://www.pixiv.net/users/76094070

Because of the Xiao character, he has so many details, such as the tattoos on his body and the jewelry he wears, so I used LoHa( info: https://github.com/KohakuBlueleaf/LyCORIS ) to train the lora, and I think the restoration is quite good.

You don't even need to use a prompt like best quality，masterpiece, he came out quite well, you can click on my other images to see the information.

Here are some results.