Eiji Watanabe

Grateful Days, Inc. is a holding company that specializes in the development and operation of online services. The firm also develops smart phone applications and an online free magazine. The company was founded by Takuo Murakami on June 2, 2005 and is headquartered in Tokyo, Japan.

IGNIS Ltd. engages in the planning, production, management, development and sale of smart phone applications and social games. Its products include Demimen, Mental List DaiGo, MOGU, with, destroyer, and Saigo no Hitsuji. The company was founded by Kun Qian on May 31, 2010 and is headquartered in Tokyo, Japan.

Gain Inc. (Tokyo) engages in online market research. It offers research planning design, tabulation, and analysis services. The firm also involved in the monetization consulting and alliance business together with companies that offer web services and owns web contents. The company was founded in April 1991 and is headquartered Tokyo, Japan.

Part of Scigineer, Inc., ZETA, Inc. is a marketing private company based in Tokyo, Japan. ZETA has developed a marketing solution called "ZETA CX Series" which includes searching on EC products, searching on sites, reviews, OMO, and DX solutions. The Japanese company offers a lineup of 7 products and has a large number of introductions to major domestic ECs. The company was founded in 2006 by Noriyuki Yamazaki.