In a faraway land, on the depths of the enormous jungle, a large singular structure with a gray coloration can be spotted. It has 3 floors and a giant metal plated gate for the entrance. It has few windows and many mechanical robots and AI controlled vehicles can be seen entering the structure. These robots have the size ranging from human-sized to giant ones with towering 10 feet height and above. This is the Professor Bofoi's Laboratory #6. On this facility, mayhem is ongoing.

Alarms and sirens can be heard throughout the building as smoke covered the rooms. On the smoke, a mysterious figure appeared. This being has a tall structure, probably 7 foot or higher, wearing curved metal shoes, a large and heavy-looking gold plated armor with several spikes sticking out on the back, and a large red cape. This creature possesses a long pinkish-white spiky hair. He is known as the "Metal Knight's Ace". As he ventured through the smoke, two mechanical robots appeared on his front. The first one has a large rectangular body and a small oblate head with a singular rectangular eye. It possesses two long arms and legs with a giant mallet on the right hand and an enormous machete on the left one. The other robot has a bulkier built and holds no weapons, instead, it has giant spiked knuckles as a combat arsenal.

The mysterious being extended his armlet-covered right hand and focus it on the robot possessing weapons. As the robot raised its right arm, preparing to unleash an assault to the figure, the being accumulates a bluish-white orb of energy on his palm and fires it on the attacking robot, blowing it in the process. The other one tries to punch the mystery figure. But to its shock, the being didn't flinch a little bit as the approaching fist hits his face. The figure didn't move and the attack seems haven't damaged him. The being lowers his right hand and extended his left arm, as he grips the arm of the robot, restricting it from moving. As he raised his right hand and press it on the chest of the robot, he releases the same bluish-white orb, obliterating the mechanical robot in the process.

As the figure walks, metal colliding on the floor, creating a large crack and a loud sound as the alarms continue to ring. As he approached the middle of a quite spacious room,5 identical robots appeared Each robot possesses small explosive missiles launcher on their shoulders, a giant cannon for the right arm and a minigun for a left arm. As the robots fire their artillery, explosions will be heard as the missiles hit the being. Metal clings can be heard as the miniguns' bullets hit the gold armor. The figure, just like before, didn't flinch a little bit and didn't bother to protect himself from the assault .After the mayhem ended and the smoke cleared, the being extended his two arms, firing orbs of energy to the mechanical robots, creating consecutive explosions as the robots being blasted one by one. After the explosions, the being uses his two arms to create a smaller but seemingly more powerful orb of energy. As he continues to form the orb, he stated, "What a waste of metal."The deep voice roared throughout the area as he finished forming the orb, holding it on his right arm as he began to bend his knees and extend his left arm before he slammed the orb on the floor using his right hand.

A loud boom indicating a giant explosion can be heard throughout the jungle. The whole facility has been turned into rubble. The nearby trees and plants got burned because of the explosion. On the middle of the debris, the being is still standing. The armor unscathed nor have any dents. His face is hidden because of the smoke. As the smoke fades away, the being jumped, creating a large crater on the place and sends much debris to fly away because of the force of the jump, as he flies out of the forest in an instant. This event has been observed by a small lone drone with a body shaped like a bug. The drone's antenna wiggles as it tries to transmit the video of the event. The footage has been sent to the owner, the S-Class Rank 6 Metal Knight. As he observed the footage caught by his spy drone, light flashes his face as the event has been seen by his eyes. After watching the whole footage, his face turned dark as the onslaught happened to his laboratory flashed to his mind."This will be a disaster."He stated as he leaves the room where he watched the whole scene as he thinks what his greatest advancement would do after he escaped."The association must not learn about this event or else they will view me as a threat, ruining all of my works and hardships to achieve my plans" he said before closing the door of the room, covering it on darkness.

At Dr. Kuseno's laboratory, he was upgrading Genos' body. He enhances the power of the Incinerate by upgrading the arms' circuitry and adding a core per each arm, to make sure the energy consumption of Genos' main core will be reduced by a large margin. He also improved the toughness of the metal parts of Genos by adding two layers of carbon plating that have hardness can be compared to the precious diamonds. He also fixed and upgraded the joints and the boosters of Genos' arms, making it harder for the foes to dismember his arms and further boosting the power of his incineration attacks. He improved the boosters on Genos' shoulders to add more speed and agility. He also adds two compartments on Genos' abdomen that contains two backup cores. And he also improved Genos' vision to easily track fast and agile opponents like Speed O Sound Sonic.

After the upgrades are completed, Dr. Kuseno asked Genos.

"What are you going to do now Genos? You said your distrust to the Hero Association."He wonders what his plans are.

"I am going to resign to the association and will participate in the new hero organization,"Genos answered, with a deep tone to his voice.

"Are you going to tell Saitama your decisions or not?"He asked, thinking if he is going to tell all of this to his sensei.

"I don't know for sure. Maybe I will not go to talk to sensei if needed to."Genos is unsure if he's going to say this to his sensei. He thought that telling him may bring some trouble.

"How's your quest to be stronger? I am pretty sure that leaving him will affect your road to gain strength." said with a worried tone of his voice. He knows that this boy strives to get stronger to beat the evil cyborg.

"I will find ways to become stronger, with or without sensei" Genos answered while he bumps his fist twice on his chest. He's pretty confident that he will get stronger without his sensei.

"Remember Genos. I will always here to support your decisions and will help you to gain more power. But remember, don't be so reckless and focus on your goal, and remember our goal huh." reminded.

"Yes. I will continue our search to find at cyborg while doing my hero duties and finding ways to gain strength."

After the conversation, Genos left the laboratory, saying his farewell to , as he will venture to the cruel world, without the help of his sensei.