About Being Fired If Your Headphones Are Stolen

The male protagonist whose headphones were stolen was about to be fired, so he was so angry that he traveled back in time. After traveling through time, the male protagonist discovered that the world he was in was a bit strange. The male protagonist, whose world view was refreshed, finally returned to his own world. Only then did he discover that the world he knew was just the tip of the iceberg. His knowledge of more than 20 years had been carefully shaped by thoughtful people. Where should he go after discovering the truth of the world? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.