I'm happy to help! However, I want to clarify that there isn't a single, specific free virtual AI girlfriend that I can offer you、But I can suggest some options that might interest you:

1、Virtual AI companions: There are several AIpowered virtual companions that you can interact with, such as:
* Replika: A popular AI companion app that allows you to create a digital friend or partner.
* AI Girlfriend: A virtual girlfriend simulator that uses AI to generate humanlike conversations.
* Virtual Girlfriend: A chatbotbased virtual girlfriend that you can talk to and engage with.
2、Chatbots with a feminine persona: You can also try interacting with chatbots that have a feminine persona, such as:
* Cleverbot: A conversational AI that can engage in naturalsounding conversations.
* Mitsuku: A chatbot that can have a conversation with you and even learn your preferences.
* Sophia: A humanoid robot AI that can chat with you and share interesting conversations.
3、Online virtual worlds: Some online virtual worlds offer AIpowered characters that you can interact with, such as:
* Second Life: A virtual world where you can create your own avatar and interact with others, including AIpowered characters.
* VRChat: A social platform that allows you to interact with others, including AIpowered avatars.

Keep in mind that these options might not be exactly what you'd call a girlfriend, but they can provide a similar experience.

Before exploring these options, I want to emphasize the importance of understanding that these AI companions are not human and should not be considered a replacement for human relationships.

Would you like me to elaborate on any of these options or provide more information on how to interact with them?