The avatar's facial expression is automatically set based on your facial expression and the registered facial expressions in the selected sample set*.
* If you specify the IP address directly and it still does not connect, the network traffic may be blocked by a firewall on your PC.
Open "Windows Defender Firewall with Advanced Security" by pressing "Win + r", typing "wf.msc", and pressing Enter. Select "Inbound Rules" and find "webcam motion receiver.exe." By double clicking it, open "webcam motion receiver.exe Properties." Choose "Allow the connection" in the "Action" section (Refer to this image).