There are already all kinds of fanfics about Hachiman, so give me a break. The transmigrate-into-a-harem-crossover-and-become-invincible genre really isn't my thing. Seeing Hachiman Hikigaya fail to act cool is, honestly, pretty embarrassing.
Traveling through time and space isn't a simple one-way trip. You leap from one branch to another, turning distortions into what makes sense and anomalies into what is right. That is the mission of an Agent. But what happens when, with every trip, you forget the purpose that set you on your way?