Try this workflow in comfydeploy: https://www.comfydeploy.com/share/comfy-deploy-transfer-style
peek_7.mp4
The workflow is using IPAdapter and controlnet line art to keep the composition of the base image.
Use this workflow in your apps, You can deploy this or any workflow too easy using www.comfydeploy.com
In the following video I show you how easy is to do it:
How.to.deploy.your.own.API.1.mp4
These workflow have improvements pending, at the moment we can call this the V1, feel free to create a PR if you think that a change is required.