The Mysterious Space-Time Management Bureau

On a blue star in the universe, the number of unsolved cases in time and space in the future is gradually increasing, and there are even unsolved cases in time and space in the past historical time. In response to more and more strange events, Bureau 749, which has existed for more than a century, decided to set up a mysterious time and space investigation team to correct the distorted history and uncover the truth. . . . . . . . . . This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.