When aliens invade Earth, a group of Class-S heroes finally finds a way tofight back and go on the offensive. Inside the enemy mother ship, Saitama fightsBoros. Faced with the alien's frightful power, he decides to get serious! Whatis the Earth's fate?!
For teen audiences.
Long-awaited print edition of the action-packed superhero comedy about one man's conviction to be a hero for fun!