The book deals with cultural and historical researches such as Japanese subculture including KidZania, Doraemon, Hello Kitty, bento culture, food loss, Haiku, bitcoin, smart phone, a vertical character Hatsune Miku, Pokemon GO, the movie Big Hero 6. As a traditional Japanese culture, Japanese tomb culture, synchronization of Shintoism with Buddhism, sport players during the war, wars in Japan, Japanese immigrants in San Francisco, John Okada, and women's ways of life, which shows variation of Japanese culture. 本書は、日本の食文化、メディア、スポーツ選手、女性の生き方など多岐にわたっている。日本の墓文化、神仏習合、アニメ、弁当、スマホ、初音ミク、ポケモンGOなどが含まれている。