In 2015, Takahito Tsutsumitani was tasked with writing a review for a literary magazine on a book titled, “Jibun de Tsukureru 200-nen Kakeizu.” It was a how-to book on creating your own family tree, a pursuit that had become a bit of a fad thanks to the popularity of the NHK documentary series, “Family History,” which explored the ancestral roots of various celebrities — similar to the PBS series “Finding Your Roots” in the United States.
