Yoshinari Kawai

Stellar Group Co., Ltd. is engaged in the business governance, consulting and management of financing to domestic and international companies, acquired companies and related shareholder companies. It is also involved in the sales of women's apparel and children's clothes; buy, sell, rental and consulting of real estate; sales of PC and peripherals; provision of IT, digital media and contents service; and sales of textile. The company was founded on October 5, 1972 and is headquartered in Osaka, Japan

OA System Plaza Co., Ltd. engages in the sale of personal computers and office automation equipment. It is also engaged in real estate and investment businesses. The company was founded in April 1983 and is headquartered in Nagoya, Japan.

Part of Hexagon Capital Partners KK, Hexagon Holdings KK operates as an investment holding Japanese company. The company is based in Tokyo, Japan.