When I, Who Have No Detective Skills, Encountered the Space-Time System

[Time travel + causal closed loop + prophecy + time and space administration] A famous musician who suddenly became friends with a young man who was more than sixty years older than him Villagers in a remote mountain village inexplicably lost their memories The strange creature that keeps calling you in your dreams I had just resigned from my job and decided to become a detective, and I received all kinds of strange commissions. And when he was at a loss, he encountered the observation system under the Space-Time Management Bureau. Later, I used the system to travel back in time, witness the truth with my own eyes, and complete the commission. However, from various clues, I gradually realized that this incident seemed to have a deeper connection. Every incident seemed to be arranged by fate, dragging me deeper into the fog... The predicted future cannot be changed, and the cause and effect of the past must be closed. The world is like a huge Möbius strip. Even if I can travel back and forth in the torrent of time and space, I still can't seem to change anything... Reading guide: 1. Case-changing reasoning, first-person narrative 2. The world view is based on modern imagination 3. There are many foreshadowings 4. The system and the male protagonist appear late 5. In the full text archive, there will be one update every seven days before reaching 100,000 words, and two updates a day after 100,000 words, with each update containing 2,000 words.