- This article is about the volume. For the chapter, see Chapter 42.
"Don't Look Down On Heroes!" (なめんな!, Namen Na!) is the ninth volume of the One-Punch Man manga series.
Summary 
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A single man arose to face the evil threatening humankind!
His name was Saitama. He became a hero for fun!
With one punch he has resolved every crisis so far, but no one believes he could be so extraordinary strong.
Together with his pupil Genos (Class S), Saitama has been an active hero and risen from Class C to Class B.
One day the seer Shibabawa predicts a great danger to Earth and dies. Soon after, a group of interstellar bandits named Dark Matter Thieves, led by an alien named Boros, attack Earth. Class S heroes and Saitama defeat the alien invasion, but A-City is destroyed. Later, the Hero Association erects a fortress where the city once was, and a man named Garou, who admires monsters, shows up...
Featured CharactersEdit
Author CommentsEdit
ONEEdit
Yusuke MurataEdit
TriviaEdit
- Several encounters were extended in the volume release:
- Garou facing the criminals, in Chapter 41.
- Fubuki meeting with Eyelashes and Mountain Ape, in Chapter 42.
- Genos meeting Speed-o'-Sound Sonic, in the same chapter.
- Sonic's Tenfold Burial panel was also redrawn to include ten complete afterimages of Sonic.
- The gag at the end of Chapter 44 was slightly changed. Originally, Genos unceremoniously declares Sonic is dead, which Saitama refutes before Sonic disappears off the ground. In the volume release, Genos asks Saitama if he killed Sonic, and Sonic remains lying on the ground.
