The development of artificial intelligence (AI) has significantly enhanced virtual reality (VR) content. However, existing integrations of VR and AI technologies have largely focused on the isolated applications of each technology, limiting the potential for creating content that meets the original purposes of AI technologies. This paper proposes a fairy tale VR game that integrates AI technologies to provide personalized and immersive user experiences. Key innovations include the implementation of interactive non-playable characters using OpenAI's ChatGPT, dynamic storytelling based on user choices, and realistic hand gesture recognition through the Meta Quest 2 controller. Additionally the game employs advanced AI systems such as GPT-4 and DALL-E to generate customized sentences and images, enriching the interactivity and educational value of VR environments. Our study makes a significant contribution to the literature by bridging the gap between traditional VR games and AI-driven interactivity, demonstrating how AI technologies can transform user engagement and immersion.

Virtual reality means artificial reality which can be realized through five senses. Observation can be possible as virtual reality leads to that human being are at tele-existence. In addition, human beings can have teleconferences and do cooperative work in the virtual reality environment. If we hear 3D sound in the space of virtual reality, we can almost realize such operations. 3D sound is essential to realize virtual reality. A variety of factors need to be considered such as intensity of sound delivered to ears, frequency spectrum, phase of sound and auditorial senses to implement 3D sound. In this paper, the information of the software can be transferred to the hardware, the hardware can be controlled, then 3D sound for teleconferences can be implemented in the virtual space, using Head Related Transfer Function (HRTF). Furthermore, it can also apply to 3D games.