New in paperback. Hardcover was published in 2022. Based on interviews with people who have experienced it, Teppei Sekimizu explores what the hikikomori experience is like from a sociological perspective. He also examines the characteristics of four decades of hikikomori discourse by governments, professionals, and mass media; the difficulties faced by parents with hikikomori children; and the social policy which has relegated most provision of welfare for citizens to the private sector.