Manabu Wakui is a Japanese nonfiction writer and author best known for his novelizations of films and works of narrative nonfiction. His writing is distinguished by meticulous research and an ability to translate cinematic storytelling into compelling prose while deepening the emotional and historical context of the original works. In addition to film novelizations, he has written biographies and documentary-style works based on real events. His notable publications include the novelizations of "Let Me Eat Your Pancreas," "And So the Baton Is Passed," and "From Siberia with Love" ("Lageri Yori Ai o Komete"), as well as "Dear Family."