1. Turn on ps Gaussian Blur once (slightly) and then perform Filter-Artistic Effect-Dry Brush.

2, color adjustment

3. Create a new layer, fill it with white, and set the transparency to 40%.

4. Tick the outline with a pen

5. Finally, throw away the white translucent layer, and adjust the color of the character again with the image-adjustment-curve to deal with the details of the task.

6. done.