Have you used Clip studio Paint’s AI-based features for Colorization, Pose Scanning, and Removal of Tones?
From the screenshot
Clip Studio Paint includes a number of AI-based features: Colorize, Pose Scanner, and Remove Tones. This tutorial explains how you can use each of these features in your work! Let’s give them a try!https://tips.clip-studio.com/en-us/articles/2434#clipstudio