Flier inc. engages in development and management of business book summary services. It provides Flier Book Labo, an online reading community for consumers; Flier, a book summary service that provides summaries in about 10 minutes per book; and Flier Official Channel that offers a deep interview program centered around books; and Flier Shelves, a display corner based on browsing history of books in flyers. The company was incorporated in 2013 and is based in Tokyo, Japan. Flier inc. operates as a subsidiary of MEDIA DO Co., Ltd.