Persona Engine is an AI-powered interactive avatar engine integrating Live2D, LLM, ASR, TTS, and RVC, designed to provide a smooth interactive experience for VTubing, live streaming, and virtual assistant applications. The engine uses AI technology to give virtual characters vivid personality and expressiveness, making it possible for applications in gaming, social media, and education. This product is suitable for developers and content creators who wish to create vivid, interactive characters, offering ease of use and integration, seamlessly connecting with existing streaming software.