The author, a high-school teacher, recounts his 12 years on "night patrol" in Yokohama City, where he comes face to face with youth dealing with issues ranging from self-mutilation to drug abuse.

As a child, Yashiro Nonoyama developed an intense fear of men due to boys constantly bullying her. Now in high school, she dreams of being reunited with her first love: a girl who protected her one day from her...