AKIHIKO SHIRAI, Ph.D. (Engineering), is an entertainment virtual reality researcher and a visiting professor at Digital Hollywood University Graduate School since 2018. He mainly works as the director of "REALITY Metaverse Lab" in REALITY, Inc., a family of GREE, Inc. that promotes a new XR metaverse industry. Vice President of the Society for Art and Science. Ambassador and board member of Laval Virtual. His motto is "Creating people who create" (from his book The future of Game Design - Science in Entertainment Systems). Latest book: "Collaborating with AI to become a godhand illustrator : how to comprehend Stable Diffusion".