Yoshifumi Tsutsumi

BOOKOFF Corp. Ltd. engages in the operation of second-hand bookshops. It operates through the following segments: Reuse Store, BOOKOFF Online, Hugall, and Others. The Reuse Store segment handles the operations of BOOKOFF, BOOKOFF SUPER BAZAAR, and BOOKOFF PLUS stores, which sells reused products and materials such as books, software, apparel, sporting goods, baby supplies, and watches. The BOOKOFF Online segment manages the operation of BOOKOFF Online, an Internet based reuse shops. The Hugall segment purchases other types of merchandise in addition to the usual items. The Others segment includes the planning, design, and construction of stores. The company was founded by Takashi Sakamoto on May 4, 1990 and is headquartered in Sagamihara, Japan.

Tribeck, Inc. engages in the digital marketing support, marketing platform and marketing research businesses. Its services include data consulting, website evaluation, technology, data driven marketing and others. The company was founded by Kazuhiko Tonoki on September 4, 2001 and is headquartered in Tokyo, Japan.