Chapter 1: A Hero for Fun
...
On one of the sunny day in a city, a figure suddenly came falling at a very fast speed. When it landed on the ground, it produced a strong shockwave around it as a cloud of dust covered the area.
After the cloud of dust disappeared, a figure can be seen standing as it looked around it. The figure a large, purple hairless humanoid with two rounded antennae on his head. It had a rather muscular body that was bare naked and it had not genitals.
The figure then jumped high in the sky and remained floating there. It then conjured few energy balls that floated around it. With a wave of its hand, it sent the energy balls flying towards the center of the city.
But the expected explosion didn't happen, instead, the energy balls it had sent came back flying towards it. When the figure saw it, it immediately dodges the balls, while blocking the ones which it failed to dodge.
BAM!
The figure was sent flying by its own attack, luckily though, it was not it's full power attack or else it would have already died just from that one attack. The figure then looked around it looking for the one responsible for the attack.
...
-C-City's Hero Operation Room-
Inside a high-tech room filled with advanced technologies and many screens, they are currently monitoring what is happening in the city. On their screens right now was a large WARNING sign which was red in color.
"Who's available?" asked the man as he saw the WARNING sign. He turns towards the girl who was quickly scanning through the screen.
The girl, seeing what was written on the screen was really happy as she answered the man.
"Darli-, I mean Blast is at the location. It is alright now," she said with a very wide smile on her face.
The man also relaxed as well as the others inside the room when they heard that Blast was at the location of the monster. They were all aware who Blast was and they are all confident of his strength and who wouldn't?
He was the strongest Hero after all.
...
-C-City-
The figure was currently looking at the man in front of him with a wary expression on its face, it can sense very well that the man in front of it was very dangerous, so dangerous that its instincts are telling it to just don't struggle and accept death.
It was also the same man who had just casually deflected his energy balls as if they were normal ones easily and even sending it back stronger and faster.
The man in front of the purple figure had a spiky black hair, a chiseled face, and sharp blue eyes. He was wearing a yellow whole-body jumpsuit, on his hands were a pair of red gloves while he had a white cape.
There was a smile on his face as he was looking at the purple figure, which really made the purple figure on the edge as the man just appeared out of nowhere and kept on looking at him.
"Who are you!?" the purple figure asked the man to which in turn just smiled to his question.
"I'm just a guy who's a Hero for fun." the man said, or to be more precisely Saitama or also known as Blast, the One Punch Hero.
He was just about to watch his favorite show on T.V. when he sensed that there was a monster that appeared and almost immediately, he had to act or there will be a lot of damages. Saitama was also a bit excited as he was itching for a battle for quite a while now and needs to have a good sparring partner.
He just hopes that this one will not end in a single punch as well.
The purple figure seems to be enraged by what he had said which was very unreasonable.
"What kind of joke is that? I was formed from the constant stream of pollution with which you humans have suffused the earth. I am Vaccine Man."
The purple figure or Vaccine Man said as it pats its chest with its right hand, veins was popping out of his head and body as he was angrily saying all of this to Saitama.
"The Earth is a single living organism. You, humans, are nothing but a disease-causing bacteria eating away at her lifeforce. In order to obliterate humans and the-"
But before Vaccine Man could ever finish what it was talking, it was already blasted into pieces as it was punched by Saitama with his fist.
Saitama, with an uninterested expression on his face, looked at the fist he just used to punch Vaccine Man as smokes were covering it.
"Another one punch huh? Meh."
Saitama then left the placed as if nothing happened, but to everyone who had just witnessed what he had done were all celebrating happily as the city did not sustain any damage.
...
-C-City's Hero Operational Room-
The ones inside the room were all happy as the monster was killed immediately and there were no casualties and property damages. It was all thanks to Blast/Saitama as he had easily killed it without wasting any time.
"Blast really is strong!" The bearded man said with a smile on his face, while he was watching the record of Blast/Saitama easily killing the monster with a single punch.
The rest of the people inside the room nodded their heads as they all agree to his comment. Even though it was really hard to believe but he was right, Blast was really strong, too strong to be exactly.
"Blast is the first Hero to have appeared in the whole world even before the Hero Association was created. There is not much information about him, the public only knows that his name is Blast the Rank 1 S-class Hero and nothing else. Whereas the Hero Association knows him as a Hero, a partner, and a problem." one of the men inside the room commented.
But one of the girl inside the room, a beautiful one at that, was not happy with the last word he said as she unhappily said, "What do you mean that his a problem. His the best you know? Our savior, Humanities symbol of peace, and my darling."
The girl said as a smile formed on her face as his eyes were in a heart shape as she held her face with both of her hands and began to think of Blast/Saitama.
The rest inside the room seems to have been on an agreement as they all thought the same.
'That's the problem.'
CREATORS' THOUGHTS 
ZaneGray
ZaneGray Hello, hello.
.
What? Another novel?
.
Yeah, and so what?
.
I don't advise you to use your power stones in this novel as this might dropped at any moment just doing this for fun.
.
What do you think by the way as Saitama being Blast, he is well-known, handsome, not poor, and has a girl, or girls? (*smirk)
Weekly Power Status
-- Power
Ranking 
-- Power
stone