Wataru Tsurumi, a Japanese author and philosopher, wrote The Complete Manual of Suicide as a guide for individuals struggling with suicidal thoughts. Tsurumi's work is known for its provocative and unconventional approach to addressing complex social issues. Born in 1943, Tsurumi has been a prominent figure in Japanese literature and philosophy, often exploring themes of existentialism, morality, and social critique.

The book "The Complete Manual of Suicide" (Kanzenban Jigoku no Sōkatsu, lit. "The Complete Guide to Hell") was written by Wataru Tsurumi, a Japanese author, and first published in 1993. The book provides detailed information on various methods of suicide, including their effectiveness, risks, and potential consequences.