Chapter 1: Set a small goal and become the Four Emperors!

Year 1520 of the Sea Calendar

In the Level 1: Crimson Hell on the first floor of the city, in room No. 4, there's no breeze stirring.

"88, 89, 90..."

A man in prison uniform, his hands and feet shackled, with long sky-blue hair and a prominent red nose, is doing push-ups deep within his cell.

Beside him, a group of men in similar prison uniforms cheer and applaud his efforts.

"Boss Buggy is incredible! 100 push-ups done in no time!"

"Boss Buggy looks really impressive!"

"Yes! Oh, yes! With daily 10-kilometer runs, 100 sit-ups, 100 squats, and 100 push-ups, Buggy remains so disciplined even while in jail!"

"98, 99, 100! You guys, shut up!"

Buggy, after finishing 100 push-ups, rose from the ground with a grim expression.

If only these cheerleaders, who can only flatter and fawn, were women. But no, they're all burly, oddly shaped men whose insistent praise just annoys Buggy!

Buggy was originally just an ordinary person from Blue Star.

But a month ago, while watching a One Punch Man anime on his computer, the console exploded, and he suddenly found himself transported to the world of One Piece, becoming the luck-blessed Buggy the Clown!

Buggy doesn't understand why he ended up in the One Piece world after watching One Punch Man, but here he is!

What Buggy does know is that his arrival has triggered strange changes in his body. His strength has been increasing by the minute!

It's as if he's broken through human limits like Saitama from One Punch Man! If this continues, in just three years, Buggy could become invincible and stand atop the world!

However, Buggy, who knows the plot of One Piece, realizes that the main story unfolds over these next two years. Soon, the top war will erupt at the Navy Headquarters!

In two years, a man named Monkey D. Luffy will enter the New World and head towards the title of Pirate King!

If Buggy waits three years to become the strongest and then emerges, he might find the opportunity has passed!

Having crossed over once, Buggy doesn't want to waste his life waiting around!

He might not be interested in becoming the Pirate King, but he does want to take a shot at the empty throne in the ancient city of Mariejois!

But first, he needs to start small: aim to become one of the Four Emperors of the New World! Not the Four Emperors who got there by luck in the original plot, but those who fought and earned their place!

Buggy's memory holds countless ways for him to get stronger!

Buggy had been with the current Four Emperors' red-haired Shanks since childhood, growing up under the influence of the legendary Gol D. Roger's Pirates! 

His strength training was guided by Rayleigh and other formidable figures aboard the One Piece ship.

However, Buggy was so focused on treasure hunting in his earlier days that he never really considered the need to grow stronger. That's why he ended up where he did. But that's a thing of the past!

Since a soul from Blue Star arrived in this world, Buggy has been training tirelessly!

In this world, there are numerous ways to become stronger, but four main paths dominate: physical arts, Haki, swordsmanship, and Devil Fruit powers! 

All these paths share a common foundation: physique! A strong physique is essential to fully harness other abilities!

After breaking through his body's limits, Buggy's physique has been improving every minute!

In just one month, Buggy's physical strength has increased tenfold! For his physique, Buggy follows Saitama-sensei's method and doesn't require extensive exercise!

This means Buggy can focus more on other aspects of his training, namely the four primary paths to strength: Haki, physical arts, swordsmanship, and Devil Fruit abilities. 

Among these, mastering Haki is essential! The strongest powerhouses in this world are all skilled in Haki. 

The other three paths—physical arts, swordsmanship, and Devil Fruit abilities—can be selectively cultivated. 

When Buggy was a child, he accidentally ate the Parmecia Type Chop-Chop Fruit, gaining powerful Devil Fruit abilities! 

So, for Buggy, mastering his Devil Fruit power is also a must!

Between physical arts and swordsmanship, Buggy chose swordsmanship as it complements his Devil Fruit abilities better. 

As for physical arts, Buggy decided to prioritize his time and energy elsewhere. He doesn't have the luxury to juggle multiple forms of training right now! 

Besides, in three years' time, no matter how strong his opponents become, a single punch might suffice, so he's not concerned about physical arts for now.

"Boss Buggy, please wipe your sweat!"

A subordinate, ever eager to please, hurried over with a rag in hand as soon as Buggy stood up.

"Get out of here! Do you see me sweating? I told you to stop with these unnecessary gestures!"

Buggy growled in frustration. He was genuinely irritated!

A month ago, in a bid to improve his nutrition, Buggy had fought all the prisoners in his cell, resulting in the hulking figures now adorning the place, who had taken on a servile, dog-like demeanor. 

Buggy was now facing the consequences of his actions, and it was causing him no small amount of distress. If he had known the outcome would be so inconvenient, he would have preferred to eat less!

"Boss Buggy is truly impressive—he didn't even break a sweat after such a strenuous workout!" 

Dogleg No. 1, despite being berated by Buggy, remained unfazed and even responded with an ingratiating grin. Buggy, feeling exasperated, waved his hand dismissively. "Enough with the flattery, just let me rest!"

Upon hearing this, Dogleg No. 1, as if receiving a divine command, declared to the other doglegs, "Boss Buggy is going to rest. Disperse and give him some space!"

"Yes, sir!"

The other doglegs complied in unison, swiftly dispersing and returning to their usual positions with practiced ease.

Buggy paid them no mind and walked over to the lone stone platform in the cell, which might generously be called a 'bed.' He sat down with his back to the wall.

The reason for facing the wall was simple: Buggy needed to keep the surveillance phone bug on the ceiling out of view for what he was about to do.

Perhaps due to his previous obscurity, the Navy and the jailers of Impel Down had not realized that Buggy was a Devil Fruit user, and so he had only been given ordinary iron shackles rather than Seastone cuffs designed to restrain Devil Fruit abilities. 

This meant that Buggy could potentially use his powers to escape the cell at any moment!

However, Buggy knew that even if he managed to leave the cell, escaping the notorious 'Iron Wall' of Impel Down would be no easy feat. 

Thus, he had been biding his time, honing his abilities while waiting for the right opportunity to make his move.

And now, with Luffy causing a commotion and advancing into Impel Down, that opportunity might just be on the horizon!