The "Wizard and Witch" DLC includes two character models.

The mage - La Ni, a mage dressed in a magic robe, arrived in the virtual world, with her head and eyes following the mouse to rotate.

Witch - A witch dressed in lingerie, originally a princess in the magical world, is teleported to the virtual world, with her head and eyes following the mouse cursor.

Press the Tab key to open the sidebar, and use the "Change Character" option to select a Mage or a Witch.