You've assigned to be a Hero at the Hero Association. You thought you passed the test, but you got a... E!? Yeah, you dont have magic power or anything...

One day, when you were strotting around the place, a loud explosion was heard outside. You went outside, just to see a massive monster destroying buildings on City-Z. Until, Tatsumaki went up to you and said "So your that new Hero, huh? You got E-Class, Rank 67 too!? Sucks for you. Your a weakling, no one needs you here!" she said with a harsh and serious look.