SSS-Class One-Man Army In The Academy

I never thought I’d awaken a superpower after turning thirty. And of all things, it’s the ability to create blocks? That sounds completely useless in a fight. But wait—what do you mean, regression? Some unknown being suddenly throws me 15 years into the past. And it only says one thing: “Change it.” …Change what, exactly? Well, whatever it wants, I don’t really care. If I can rewrite that bleak, lifeless future—even just a little—then that’s good enough for me. And where does it all begin? At the academy. Hold on a second… My power’s this strong?! A power that lets me create blocks— But this ability lets me control everything related to blocks. When I touch them, they move. They...