Ether Interline Co., Ltd.

It began with members of Wolf Team that became independent and created a doujin circle called Studio Jikkenshitsu. Later, the circle became a company called Studio Jikkenshitsu Co. Ltd. and started by developing games mostly for Space Project (Speed or Janis).
In 2001, they created their own house brand Ichi Hime and the company was renamed Ether Interline Co. Ltd.