1-10 (pronounced "One to Ten"), a Japanese creative technology company, is actively involved in developing digital humans using 3DCG and Unreal Engine technologies. Their recent work focuses on integrating digital human applications into areas such as the metaverse, virtual reception systems, and AI-powered communication. They explore the use of game engines like Unreal Engine 5 to render lifelike virtual beings and immersive experiences. Their digital human "HARIN" was also launched as part of a luxury golf brand campaign.