Construction of relation of co-living with Islamic world becomes a global issue to solve urgently. We would like to introduce our projects concerning with this problem, like Ahlan wa Sahlan Program, Development and enforcement of the Muslim service personnel training program (with Kanagawa Prefecture), Assalam Action Project (with Research Institute of Innovation and Industry), and Islam and Global Governance Research Project, as well as our studies and activities to be concerned with Islamic study or Arabic education that are provided in cooperation with the study bases of the Arab Islamic world like Japan Center for Academic Cooperation at Aleppo University, Syria.