After three years of dedicated practise, Saitama has amassed an astounding amount of power, enabling him to instantly destroy anybody or anything with a single strike of his incredible prowess. He makes the decision to put his new skill to good use by becoming a hero. However, he quickly becomes bored with killing monsters with ease and longs for someone to present him with a challenge in order to reignite his sense of heroism.

one punch man manga
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