Hm, i wouldn't say that's usefully different from anime? The failure mode for e.g. pencil sketches is honestly kind of impressive.
https://i.imgur.com/vdceynO.png
https://i.imgur.com/2lvrpwE.png
On the other hand: https://i.imgur.com/QkFDOVs.png
Edit: Also, i missed this earlier, but this video shows nicely how the AI can be guided with color hints: https://www.bilibili.com/video/av14443094/