SpiralAI is a Japanese company that develops communication services using generative AI, including large language models. Its emotion-focused LLM engine, Geppetto, is designed for expressive conversation and distinctive character personalities that can be applied to company-owned IP and services. The official site also presents RyzaChat:AI, an officially licensed Koei Tecmo game: a free-scenario AI chat RPG in which players talk with Ryza and shape the story. The app is available for iOS and Android.