AKIHIKO SHIRAI, Ph.D (Engineering), is a researcher in entertainment virtual reality and a visiting professor in Digital Hollywood University Graduate School since 2018. He is mainly working as a director of “GREE VR Studio Laboratory” in REALITY, Inc., a family of GREE, Inc., which promotes a new XR metaverse industry. Vice president of the society for Art and Science. Ambassador and Board of Directors at Laval Virtual. The motto is “Creating people who create” (from his written book in The future of Game Design - Science in Entertainment Systems).