Originally opened as ON AIR in February 1991.
Changed its name to ON AIR EAST in July 1994 upon the opening of ON AIR WEST.
Closed in July 2002 for extensive remodeling.
Reopened on December 21, 2003 as Shibuya O-East.
Changed its name to Tsutaya O-East after Culture Convenience Club purchased the naming rights.
|official homepages:||http://shibuya-o.com/ [info]|