A New Preview of the New Work (Pixiv Fanbox)

I think maybe adding some slime inside the skin will be better? But maybe doing this need some photoshop effect technique, I'm not good at this. Anyone of you can make this effect? 我想也许在皮里面加一些粘液效果会看起来更好，但是我的ps技术还不够，你们有谁会吗？