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When the evidence from 25 years ago was revealed, it was discovered that the murderer had been around all along! "The Museum of Secrets" won the Chamber of Secrets Award and was listed in the top 10 best mystery novels. "This mystery novel is so amazing!" Following "The Collector of Secrets", it is a mystery cracking textbook by the god of short stories, Oyama Seiichiro. Yukito Ayatsuji, a representative of the New Honkoku School, and Hideo Kojima, a top-level game designer, praised it highly. Fast pace, no nonsense, divine reasoning! 8.5 High score book review, the simplified Chinese version of "The Museum of Conspiracy" is introduced for the first time. Open the "Museum of Conspiracy" and see through the real culprit of the unsolved case hidden around you! There is a special museum that collects bizarre mysteries that no one can solve. There is a pair of strange partners who vow to solve the murderous conspiracy that is hidden from the sky...

The essence of cracking all alibi tricks is to see through the loopholes in time! Reached the top of the 2019 BEST 10 rankings of local reasoning! Selected into three major annual lists of mystery novels: BEST 10 mystery novels, "This mystery novel is amazing!", And "Best 10 mystery novels" in "Weekly Bunshun"! Following "The Collector of Secrets", Seiichiro Oyama, winner of the Honest Mystery Award, presents a masterpiece of Honest Mystery that focuses on alibi! "Sankei Shimbun", "Asahi Shimbun", "Yomiuri Shimbun" and "Mainichi Shimbun" all major media highly recommend it! Not showy, not verbose, not cliché, these seven short stories will teach you to see through alibi tricks at a glance! The Japanese drama adaptation starring Hamabe Minami and Yasuda Akira has aroused heated discussion among the public! A sincere collection of authentic mystery short stories, with new surprises on every page. This book is a collection of short stories by Oyama Seiichiro, winner of the Honka Mystery Award. It contains 7 short stories, covering almost all types of alibi tricks. There is a weird watch shop that not only sells watches, but also runs a business of "overturning alibis on behalf of customers" for a one-time fee of 5,000 yen. The victim who came back from the dead, the murder in his sleep, the three lines of footprints on the snow... The murderer used the loopholes of time to create almost perfect alibis one after another! The helpless police found the watch shop owner Mitani Tokino. Can her appearance bring a change to the confusing case?

A secret room manual that reveals all the tricks! The winning entry of the 13th Hong Kong Reasoning Award. 2013 "Top Ten Excellent Works of Integrity Reasoning". Highly recommended by masters of reasoning Ayatsuji Yukito and Maya Yusana! All the tricks in the world just capture people's greed and fear. There is a mysterious man who appears whenever a locked room murder occurs and quickly solves the mystery. Shootings in locked classrooms, murders under police surveillance, suicides that appear to have fallen from unoccupied rooms, or murderers disappearing in the snow without footprints... All seamless secret room cases were solved after he showed up. All the tricks in the world just capture people's greed and fear. Open this book and see through all the tricks!

A death in the family factory turns twin brothers into enemies. After the younger brother who ran away from home had plastic surgery and had his face changed, he sent a death notice to his older brother, who was later found dead in a closed bedroom. However, the murderer has more than one target, and what's even more frightening is that no one knows what the murderer's face looks like...

When you feel something is wrong, deadly malice is quietly approaching! "The Museum of Trickery" is a masterpiece by the author Seiichiro Oyama, which has a brain-burning degree of 99.99%! A mysterious apartment where reasoning battles are held from time to time. Black tea, cookies, and a chilling mystery. The letters related to the case seem to be important clues. A group of special tenants join forces to form a detective team to secretly track the real culprit that the Metropolitan Police Department is unable to pin down. The noble lady who had the delusion of being poisoned was brutally poisoned and killed as if it came true? After a mysterious call at midnight, a dead body was discovered in the secret room of the art museum. At the murder scene of the luxury cruise ship, no one can decipher the strange death message. The notes written by the father of the young boy who was murdered in the kidnapping case are very scary to read... The more subtle the anomaly, the closer to the truth, and the more chilling it is!

"The God of Short Mysteries" Oyama Seiichiro's new masterpiece focuses on "island mode" murder cases and crazy reversals! Even the murderer was seriously analyzing the case, and a reasoning battle broke out at the murder scene! 7 Cases, 27 reversals, and a thrilling "werewolf" every 20 minutes! Agent Wato Songzhi has a special ability that can rapidly improve the reasoning abilities of everyone around him! He was involved in a series of murders in a confined space, and the murderer was among the people at the crime scene! In a mountain cable car that was parked in mid-air, two brothers were assassinated in an adjacent gondola; in the closed door of the gang leader, a strangely dressed strange corpse was discovered; in a single-family villa in a resort, a young man was killed in the middle of the night and his clothes were missing... Under the influence of Wado's special ability, everyone instantly became a famous detective! People are constantly reasoning and overturning each other, and even the murderer is racking his brains to analyze the case! Who can solve the case? Who is the real culprit who confuses the public? !

Detective Wato Songzhi has a special ability that can rapidly improve the reasoning abilities of those around him. In an isolated resort village, the deceased left a strange blood cross. There was no escape from the underground exhibition hall, and screams came from the darkness. Passengers on high-altitude international flights died quietly... Murders occurred one after another in a confined space, and everyone at the crime scene was a suspect! Under the influence of Wado's special ability, the suspects continued to make deductions and overturned each other. Who can become the famous detective to crack the truth, and who is the hidden murderer?