Drag and drop it from your DL asset library to use it. This model is set to a height of 176 cm.

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Preview


Structure and usage
For a detailed tutorial, please refer to this article—it is extremely helpful in explaining how this model works: https://tips.clip-studio.com/en-us/articles/8416
To prevent accidentally selecting the head while posing, the head has been marked as unselectable in the Object List. If you need to adjust the head model, simply uncheck it (the yellow-highlighted item).

How to adjust the head

SAVE YOUR CUSTOM MODEL
After editing the model or adding external objects to it, select the layer that contains the character model and drag it into your library to save it. When you want to use it again, simply drag it onto the canvas.
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