Director Kiyotaka Oshiyama of "Look Back" makes his debut. This is a deluxe setting materials collection that thoroughly explores the world of the anime "Flip Flappers." Spanning 288 pages, it includes detailed design drawings of characters, costume variations, rough sketches of emotional expressions, and more. In addition, excerpts from storyboards for each episode, concept art, art boards, setting diagrams for world-building, and other behind-the-scenes production materials are included without omission.