The Shinjuku Equation
He confesses to a murder. The victim is still alive. In Tokyo, Tatsuya Onda brings the police a precise memory of a crime. For Arai and Sakamoto, his account is a puzzle: places, times, verifiable details—and a woman, Mika Shiraishi, who has not been killed. Should they protect a possible victim or watch a man who has done nothing yet?
Open the novel ↗A moment in the opening pages
With his elbow, he moved a coffee cup threatening the laminated subway map and planted the first pin at Shinjuku’s west exit. 9:52 p.m. The second went onto a photocopied street map lower on the board: the service staircase where Masaru Ibuki had been found with a broken neck. 10:04 p.m., according to the call from the taxi driver who discovered the body.Read the excerpt ↗