I'm planning to pass down the embarrassing history of a classmate I hate to future generations.

I'm always having a terrible time because of that guy, so I made a decision. I will pass down that guy's dark history for generations to come. This story is about the protagonist overcoming all kinds of difficulties in order to uncover the dark history of a classmate he dislikes. The protagonist will do anything for that guy's dark history. Since this is my first work, there may be rough spots, but I worked hard on it, so I would be grateful if you would stick with it to the end. Without further ado, here's the main story.