It is a renovation project of IT office located at the center of Tokyo. As it was planned to move out in several years, a minimum renovation plan, one layer on top of existing condition, was proposed. Since most of the existing office communications including conference are done on computers, free space was created for encouraging active communications. There is no fixed seat list. Therefore, more relaxed, in order to clarify that free space to inspire dialogue. Each individual, without waiting for the my desk has a desk and use a different environment every day. These desks, each different in size, are placed randomly. Desk placed randomly, we meet different people every day and face, and the birth of different views. The space surrounded by fake grass, born free communication style and your shoes in a relaxed state, it hopes to go from land-based knowledge worker was changed to simply make information processing.