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What is in the image: this image is an art tutorial demonstrating how to draw the muscles of an arm. it includes diagrams and annotations in chinese explaining the process. ```

WDTagged Character:

WDTagged Tags: comic, 1boy, male focus, speech bubble, glasses, chinese text, closed eyes, spot color, round eyewear, monochrome, facial hair, smile, simple background, mustache, white background, lab coat