Tsubasa Mizuguchi

FunFusion KK engages in the planning, development and sale of services using SMS (Short Message). It also provides call center telemarketing services. The company was founded on July 13, 2006 and is headquartered in Tokyo, Japan.

e-entry KK engages in information technology business. It develops and manages computer systems and networks. It also provides data entry services. The company was founded on February 11, 1982 and is headquartered in Shizuoka, Japan.

Advantive, Inc. engages in design, development and sales of computer software and web systems. The company was founded on December 7, 2015 and is headquartered in Kamimashiki, Japan.

Musashino KK provides household equipment rental, house cleaning and management consulting services. Its operations are carried out though the following divisions: Duskin Business and Management Support Business. The Duskin Business division handles house rental products, environmental cleaning services, and delivery of various beverages for life care business. The Management Support Business division engages in the management of schools, executive schools, employee schools and others. The company was founded in 1956 and is headquartered in Tokyo, Japan.

SORATOBU, Inc. is a holding company that develops and markets open social applications. It designs, creates, and develops game applications for social networking sites. The company was founded on July 23, 2007 and is headquartered in Tokyo, Japan.

NOT A HOTEL Inc. is a Japanese company that offers a unique accommodation service. The company is based in Tokyo, Japan. The company's description explains the basic system of how to buy and use their service, as well as the differences between their service and other similar services. NOT A HOTEL was founded in 2020 by Shinji Hamauzu.

OPT, Inc. provides marketing solutions services. It offers advertising agency, solution and database services. The company was founded in 1993 and is headquartered in Tokyo, Japan.

Digital Shift, Inc. is a consulting firm that provides human resource development support services. The private company is based in Tokyo, Japan. and has subsidiaries in Japan. The Japanese company was founded in 2020.