When aliens invade Earth, a group of Class-S heroes finally finds a way to fight back and go on the offensive. Inside the enemy mother ship, Saitama fights Boros. Faced with the alien’s frightful power, he decides to get serious! What is the Earth’s fate?!
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To stop a Demon-level crisis, Saitama and company head toward the action. However, even Class-S hero
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Time bomb Garo, a monster admirer, finally explodes, attacking the Hero Association! Meanwhile, Miss
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Hero hunter Gato intensifies his onslaught, so of course Saitama decides now is the perfect time to
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For three years, Saitama has defeated countless monsters, but no one knows about him… That’s because
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Every time a promising villain appears, Saitama beats the snot out of ’em with one punch! Can he fin
