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On a sunny Sunday, the president of Bayleaf Company died suddenly in his office. The cause of death was a severe blow to the head, and the scene was a glass secret room under seven layers of security. The office is on the 12th floor. The entire building is surrounded by embedded glass windows, making it impossible to enter from the outside. There is a security room at the entrance of the building, and registration is required to enter the building. The elevator to the 12th floor requires special password authentication. All the stair doors leading to the 12th floor were locked that day, and there were no signs of lock picking. There is a surveillance camera at the door of the office, which was operating normally at the time of the incident. The office has glass windows, all made of bulletproof glass. There were three secretaries working nearby at the time of the incident and no abnormalities were found. How did the murderer break through these seven levels of security, commit murder and escape unscathed?

A monument to realistic horror novels! Only you can hear that terrifying sound, and you can only defeat that piercing fear alone! Horror master Yusuke Kishi, reader rating 8.7! During a mysterious scientific expedition in the tropical rainforest, several team members heard a strange and terrifying sound one after another. After that, their temperaments changed drastically: people who were originally extremely afraid of death became more interested in the topic of "death"; people who were naturally afraid of cats The animal man took the initiative to approach two hungry tigers; the man who had experienced the pain of losing a child pushed his daughter to the subway platform with his own hands... Soon after, the team members died one after another in miserable conditions, but the strange incidents were still spreading and the number of victims was increasing. Everyone who hears the terrifying whispers seems to be unable to escape their fate... Where does this sound come from? How can people who hear this terrifying murmur save themselves? Shh! Listen... Starting from page 22, it makes your teeth sore, your hands weak, and your legs trembling!