The authors’ group has been developed AI-based Online Consensus Building Support System called COLLAGREE and used around our university since 2010. The goal of our research is to spread this system to other local governments. However, new technology which directly concerns to society might make a conflict with current society. This problem has been commonly known as ELSI. In this paper, we analyzed our past experiments by using our system, developed the reason of success, and ELSI problems that need to solve. To achieve this purpose, we launched ELSI Committee on December 2017. Our approach should be useful for other AI-based systems, when researcher has been conscious on ELSI issue.