Professor Tekjin Nam and 4 graduate students in id KAIST visisted Graduate School of Comprehensive Human Sciences in University of Tsukuba on July 15th, 2009. Prof. Nam gave a special lecture for graduate students in Univ. of Tsukuba about "Co-design:Inter.action". Minjung Song(Ph.D. Student), Changwon Kim, and Juhwan Kim (Master Student) deleivered talks about their research topics; Design Method for Sustainable Interaction, Development of Talkative Cushion, and Development of Tenere. Prof. Nam's research team and Prof. Seung-hee Lee in Tsukuba had a workshop, themed 'kansei engineering and tangible interaction'. id KAIST and Univ. of Tsuku also had a discussion for further cooperation on exchage the program for students and professors.