Ango Kaidoku Shi Kyu Jo Kiri Ya No Jikenbo (Shogakukan Bunko C Sa 4-1 Kyara Bun!)

[Machine Translation] Kiriya Kujo. She is also known as "Cryptanalyst". She is a civilian collaborator with the police who has solved many difficult cases by using her exceptional sense to decipher codes left at crime scenes. Kouri Nanase, a rookie detective in the Tokyo Metropolitan Police Department, is asked to cooperate with Kiriya in the investigation of a murder case she is in charge of. Kouri and Kiriya, who is surprisingly good-looking, but brusque and tongue-tied, proceed with their investigation, but during the course of their investigation, Kouri is attacked by someone... Kiriya is a university student who refuses to have deep relationships with others, but unveils his thoughts and wishes hidden in a code. What is his past, and what are his "last words"? A code-breaking mystery!

九條キリヤ。通称『暗号解読士』。類い稀なるセンスで事件現場に残された暗号を解き、難解な事件をいくつも解決に導いてきた警察の民間人協力者―。担当する殺人事件の捜査のため、キリヤの協力を仰ぐことになった警視庁の新米刑事・七瀬光莉。驚くほどの美形だが、無愛想で毒舌家なキリヤとともに調査を進める光莉は、その最中、何者かに襲われてしまう...。他人との深い関わりを拒みながらも、暗号に隠された思いや願いを解き放つ大学生キリヤ。彼が抱える過去、そして“最期の言葉”とは?暗号解読ミステリー、登場!