Despite of 2 degree celcius environment, the group of exchange students from FMIPA UNNES were still motivated to do sit in program in Hiroshima University. The international collaboration between both FMIPA UNNES and Hiroshima University is prioritized not only for sit in program for students, but also for visiting professor, joint collaboration research, and guest lecture. As the representative of International Office FMIPA, Dr. Niken Subekti mediated the deal between both parties in the agreement and signed the Meeting of Minute (MoM) and Letter of Understanding (LoU) at 9th February 2017 on 9.00 WIB. Prof. Takuya Baba, Dean of Graduate School for International Development and Cooperation ( IDEC) Hiroshima University, warmly welcomed the current partnership between Hiroshima University and FMIPA of Universitas Negeri Semarang (UNNES). As the head of the group, Prof. Dr. Zaenuri as the Dean of FMIPA UNNES stated that he will support all lecturers and students of FMIPA who want to develop their career internationally.