Japanese reasoning novels are developing vigorously, and there are a number of excellent and unique reasoning novelists, and Kanae Minato is one of them. She absorbed the writing methods of Japanese private novels, new mystery school and social school, and became popular with her first novel Confession, which formed her unique creative style of confession, and her unique perspective on Japanese social issues aroused great repercussions. This paper discusses this topic in Kanae Minato's reasoning novels through two chapters. The first part discusses the relationship between Japanese individuals and families reflected in Kanae Minato's works. In other words, this chapter studies how the relationship between juvenile delinquency and unbalanced families is reflected in Kanae Minato's works. Then, the second chapter is based on her text, combined with her narrative techniques, and discusses the relationship between individuals and society in Japan.