Doi Takayoshi

Professor of Sociology, University of Tsukuba. Born in 1960 in Yamaguchi Prefecture. Author of Wakamono no kibun—shōnen hanzai genshō no paradokusu (Young People’s Feelings: The Paradox of Declining Juvenile Crime), Tomodachi jigoku—kūki o yomu setai no sabaibaru (Friendship Hell: Picking Up on the Vibe to Survive), and numerous other works.