I Pretended to Go Berserk and Saw Through Human Nature

"After getting letters from the future, I pretended to have gone insane from the start, and unexpectedly saw through people's true natures."

"My gentle, sweet girlfriend flat-out said that dragons don't associate with snakes and dumped me."

"Even my friend, who seemed honest and simple on the surface, mocked me, asking what made me think I could come to him for help."

"Fine, I'm done pretending. Here's the truth: I never went insane in the first place. Not only that, my strength has been skyrocketing. Bet you didn't see that coming."

In a high-martial world where the strong rule, letters from the future let me crush my enemies with overwhelming force, leaving those hypocrites to regret it for the rest of their lives...

This novel and its characters are entirely fictional. Any resemblance is purely coincidental. Do not imitate.