In This World, Prove Yourself Worthy of Enlisting

Satisfying Fiction, No Heroine or Flirting, an Awesome Protagonist, and No Good-for-Nothing MCs

Invincible Protagonist, Invincible from the Start, Like Saitama

When I make even the slightest effort, I'm already at the limit of this rank. Remember? I'll say it again: back then, I strolled around with my hands in my pockets, not knowing what it meant to have a rival.