Every time a promising villain appears, Saitama beats the snot out of ’em with one punch! Can he finally find an opponent who can go toe-to-toe with him and give his life some meaning? Or is he doomed to a life of superpowered boredom? -- VIZ Media

At the martial arts tournament, Suiryu of the Dark Body Art shows promise with his outstanding strength. But outside the stadium, a large number of monsters are pushing the heroes, even Genos, to their limits! Inside, unaware, Saitama approaches his match against Bakuzan! -- VIZ Media

While Saitama's distracted at a martial arts tournament, Centichoro, a threat-level Dragon monster, attacks! Metal Bat engages it in battle but struggles against its gargantuan size. The monster knocks him into the distance and right into the path of hero-hunter Garo! -- VIZ Media

To stop a Demon-level crisis, Saitama and company head toward the action. However, even Class-S heroes prove to be no match for the Deep Sea King! In order to protect the good citizens, our heroes will need to summon all of their courage and confront this threat! -- VIZ Media

Hero hunter Gato intensifies his onslaught, so of course Saitama decides now is the perfect time to join a combat tournament. Meanwhile, Class-S hero Metal Bat takes an assignment guarding a Hero Association executive and his son, and before long trouble appears! -- VIZ Media

Saitama’s easily taken out a number of monsters, including a crabby creature, a malicious mosquito girl and a muscly meathead. But his humdrum life takes a drastic turn when he meets Genos—a cyborg who wants to uncover the secret behind his strength! -- VIZ Media

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?! -- VIZ Media

Time bomb Garo, a monster admirer, finally explodes, attacking the Hero Association! Meanwhile, Miss Blizzard visits Saitama at his apartment. Because of his lower rank, she plans to make him one of her subordinates, but... -- VIZ Media

The Monster Association has kidnapped Tareo, the boy who admires Garo, and now Garo finds himself plunging headfirst and alone into the heart of the Monster Association’s hideout. Meanwhile, the Hero Association pushes forward with its operation to rescue Waganma, while Genos and the others are living it up enjoying hot pot at Saitama’s place! -- VIZ Media

Saitama is now a certified hero! And with that title comes great responsibility—he’s required to perform one heroic deed per week. While Saitama makes the rounds to meet his quota, an incoming threat from outer space is screeching toward Earth... -- VIZ Media