Invisible - non-canon

In the dimly lit industrial area of Outer Heaven, a solitary figure moved deliberately. This shinobi was present on an important mission—to rescue Venom Snake. The facility was intricate, filled with advanced technology and vigilant soldiers, yet the shinobi's determination remained strong.

He navigated the complex, skillfully avoiding detection. In the distance, the noise of a rocket launch interrupted the quiet. The shinobi advanced towards the sound, his focus sharp. He arrived just as the rocket ascended towards Venom Snake.

Without delay, the shinobi formed precise hand signs. "Water Release: Water Encampment Wall!" he announced, creating a water barrier that absorbed the rocket's impact. The sound of the explosion was muted, steam billowing into the air.

Venom Snake turned, surprised. "Who are you?"

The shinobi did not respond immediately, instead scanning the area. "We need to move. Now," he urged.

Venom Snake's surprise shifted to skepticism. "Why should I trust you?"

"Because we share a common adversary," the shinobi stated, maintaining his watchful gaze. "And at this moment, our priority is survival."

Suddenly, Solid Snake appeared, weapon drawn. "Drop your weapon, now!" he commanded, his tone firm.

The shinobi raised his hands slowly, keeping his eyes trained on the situation. "We are not your enemies."

Solid Snake's finger stiffened on the trigger. "I won't take any chances."

In a quick motion, the shinobi rendered Venom Snake unconscious. Solid Snake fired, the bullets speeding towards them. In that instant, the shinobi activated a mysterious technique. A bright light enveloped them, and they disappeared just as the bullets reached their position.

The atmosphere in Outer Heaven hummed with residual energy, the spot where they had stood now empty. Solid Snake lowered his weapon with a frustrated exhale. "Damn it!"

The shinobi reappeared in the Hidden Leaf Village, carrying the unconscious Venom Snake. The tranquil surroundings provided a sharp contrast to the earlier chaos.

Slowly, Venom Snake regained consciousness, his vision fuzzy. "Where am I?"

"Welcome to my world," the shinobi replied, revealing his face. "I am Tobirama Senju."

Venom Snake's eyes widened in recognition. "We have much to discuss."

---

The Hidden Leaf Village offered a peaceful backdrop. As the white-haired shinobi observed the surroundings, Venom Snake slowly came to his senses. "Where am I?" he inquired, his voice weak.

"You're in Konoha, my home," Tobirama answered, calm and observant. "I am Tobirama."

Venom Snake's expression shifted subtly. "Tobirama… from the Naruto anime?"

Tobirama raised an eyebrow, intrigued. "You know about the Hidden Leaf Village and the Hokages?"

Venom Snake nodded. "Yes, I've seen the anime. Stories of shinobi and their powers. I thought it was just fiction."

"They are very real," Tobirama replied. "And so are the challenges we face."

Venom Snake sat up, feeling the remnants of pain. "Why did you intervene on my behalf?"

Tobirama's demeanor became slightly more serious. "I might have overstated our shared enemy. The truth is, I don't require your assistance in our battles. However, I respect your resilience and skill. I wish to offer you something valuable."

Venom Snake regarded him warily. "What would that be?"

"A chance for collaboration," Tobirama stated. "Your world may lack the peace you desire, but here, you could find a meaningful purpose. Your experience and capabilities could be greatly beneficial."

Venom Snake surveyed his new surroundings. "So this is where the stories come to life, and you're proposing a partnership?"

Tobirama nodded. "Think of it as an alliance. There is much we can learn from each other."

Venom Snake stood, adjusting to the unfamiliar sensations of his body. "If the stories hold truth, then we could achieve significant outcomes together."

Tobirama offered a faint smile. "Indeed. Our worlds may share more similarities than you realize."

As they walked through the village, the residents observed the newcomer with curiosity. Tobirama guided Venom Snake to the Hokage's office, where they would discuss their future collaboration.

---

Inside the Hokage's office, there was a palpable sense of anticipation. Tobirama gestured for Venom Snake to sit as they entered. Taking a moment to process the alliance offer, Venom Snake cautiously complied.

"Before we proceed," Tobirama said firmly, "there's another matter we must attend to."

Before Venom could react, Tobirama moved swiftly, delivering a pinpoint strike that rendered him unconscious. He gently laid Venom's body on the table.

Hours later, Venom Snake stirred, his head aching. He opened his eyes to harsh light and gradually adjusted to the surroundings. A sense of confusion washed over him as he realized he no longer felt the familiar weight of his prosthetic arm or the remnants of past injuries.

"What is happening?" Venom Snake questioned, confusion tinged with unease.

Tobirama stood nearby, arms crossed and expression neutral. "Stay calm. This marks the beginning of a new phase for you."

Venom glanced at his hands, now smooth and unmarked. He flexed his fingers, feeling an unfamiliar surge of power. "What have you done?"

"I transplanted your consciousness into a new body," Tobirama explained, his tone steady. "A body that allows you to utilize chakra and shapeshift. This was essential for your integration into our world."

Venom's eyes widened as he absorbed the implications. "You did this without my consent."

"I had no other choice," Tobirama replied. "Your survival in this realm hinged on it. Now, you possess the abilities needed to thrive. Your attributes have been enhanced."

Taking a deep breath, Venom Snake sought to regain his composure. "What if I choose not to comply?"

Tobirama's demeanor softened slightly. "You are free to leave. However, consider that with these abilities, you have the potential to accomplish feats beyond your previous limits. I recognized your potential and intended to provide you with an opportunity."

Venom Snake stood up, testing his new form. The sensation of power was exhilarating yet strange. "I prefer not to be coerced," he stated calmly.

Tobirama nodded. "I understand. Sometimes, significant actions are required for a larger purpose. You have the option to use this opportunity as you see fit."

Venom Snake regarded Tobirama, his initial irritation slowly giving way to curiosity. "I will need time to adjust, but I am open to exploring this new path."

Tobirama extended his hand. "Welcome to Konoha. Together, we can achieve remarkable things."

Venom Snake hesitated before accepting the handshake. "Let's see what this new body can accomplish."

---

As Venom Snake began to acclimate to his new abilities, Tobirama observed with interest. "This body," he explained, "can harness all nature transformations, including Mokuton—the Wood Release. You now possess a rare potential, one many strive to achieve."

Venom Snake flexed his fingers, experiencing the flow of chakra. "How do I learn to use these new abilities?"

Tobirama nodded. "We'll start with foundational chakra control and nature transformations, progressing to more advanced techniques."

Training commenced with Tobirama guiding Venom through the basics of chakra manipulation. Venom quickly absorbed the information, his focus propelling him forward. Tobirama demonstrated various hand signs and techniques, providing careful instruction at every step.

Days turned into weeks as Venom honed his skills. He learned to harness the elements of fire, water, earth, wind, and lightning with impressive speed. The critical moment arrived when Tobirama introduced him to Mokuton.

"Wood Release demands a connection with nature," Tobirama noted. "You must combine earth and water chakra. Watch closely."

With a series of hand signs, Tobirama summoned a large wooden structure from the ground. Venom, inspired, focused his chakra, attempting to combine the elements as taught. Gradually, a small tree emerged from the earth.

"Well done," Tobirama acknowledged, offering a nod. "Continue practicing. With dedication, you will create more complex structures."

As time progressed, Venom's proficiency in Mokuton expanded. He developed skills for creating wooden defenses, binding techniques, and manipulating the landscape effectively. Tobirama watched with satisfaction as his student flourished.

One evening, while resting near a campfire, Venom turned to Tobirama. "Why did you see potential in me?" he asked, intrigued.

Tobirama gazed into the flames, contemplation evident. "I recognized a spirit akin to my own. Despite adversity, you persevere. I aimed to provide you with an opportunity for renewed purpose."

Venom Snake nodded, appreciating the sentiment. "Thank you for your guidance."

Tobirama smiled. "There's much yet to learn. I have confidence in your abilities; together, we can achieve greatness."

As they continued their training, a bond developed between the two warriors, forged through a shared ambition for the future.

---

The Hidden Leaf Village buzzed with everyday activities, unaware of the mission set into motion. Venom Snake, now equipped with new abilities and a fresh objective, stood before Tobirama. His enhanced body pulsed with a newfound power.

"This mission is unique," Tobirama conveyed steadily. "You must return in time and inhabit the body of Uchiha Sasuke. It is vital for the future of our world."

Venom Snake acknowledged the seriousness of the task. "I am prepared. Why is Sasuke the choice?"

"His potential is unmatched," Tobirama elucidated. "The combination of your abilities and his potential could achieve what neither could accomplish alone."

Utilizing an intricate jutsu, Tobirama opened a time portal, an energetic vortex swirling before them. Venom Snake stepped forward, feeling drawn into the portal. "Remember," Tobirama instructed, "you will inherit the memories of your host, while your own identity remains intact. Use this to your advantage."

With a final nod, Venom Snake stepped through the portal, feeling the sensation of time shifting. He materialized in the past, during Sasuke Uchiha's early training. As he approached the young Uchiha, his form began to merge with Sasuke's, the enhancements aiding the process.

Sasuke's eyes widened in surprise at the intrusion but quickly succumbed to it. Venom Snake now occupied Sasuke's body, flooded with new memories. He took a moment to stabilize himself, sorting through this sudden influx of information.

"Focus," he murmured, clenching his fists as the power of the Sharingan surged within him.

As Venom Snake—now in Sasuke's form—gazed around, he experienced a blend of familiarity and yet something new. "Let's see what this body is capable of," he stated, determination evident.

He began to train, applying the skills from the Uchiha alongside his newfound enhancements. The speed and strength were unparalleled. Preparing for the forthcoming mission, he recognized the importance of mastering these abilities.

---

On a bright morning in Konoha, Venom Snake, now embodying young Sasuke Uchiha, approached the entrance of the ninja academy. The village thrummed with life, though Venom's focus was on the forthcoming mission. Today marked his first day at ninja school, an essential step towards assimilating into this world.

As he crossed the threshold, he sensed a mixture of anticipation and trepidation. The academy was alive with hopeful students eager to embark on their shinobi journeys. Venom scanned the crowd, recognizing familiar faces from the anime he had once watched.

His attention was drawn to a young boy with striking white hair. Tobirama, though still a child, exuded confidence and resolve. He approached Venom, unaware of the true identity occupying Sasuke's form.

"Hey, Sasuke," Tobirama greeted, his tone friendly yet inquisitive. "You appear different today. Nervous for the first day?"

Venom managed a smile, striving to replicate Sasuke's typical demeanor. "A little. It's a significant day for all of us."

Tobirama nodded, a knowing expression crossing his features. "We'll be alright. Just stick to what we've practiced, and we'll make it through."

As they walked towards the classroom, Venom felt a twinge of sadness. He was experiencing another's life, participating in a world he had only observed on a screen. Nevertheless, an underlying sense of purpose propelled him forward; he had a mission to fulfill.

The classroom buzzed with chatter and enthusiasm as students settled in. Venom surveyed the faces of his peers. This was his opportunity to learn, grow, and contribute meaningfully.

Tobirama took a seat beside him, offering a supportive smile. "Let's give it our all, Sasuke."

Venom nodded, determination filling him. "Yes, let's do this."

As lessons commenced, Venom immersed himself in the academy's teachings. He absorbed every detail, realizing that each fragment of knowledge would be significant for the future. Though living another's life, he was resolved to make the most of it.

Throughout the day, Venom and Tobirama trained side by side, refining their skills and exchanging techniques. They sparred, debated strategies, and strengthened their bond through shared dedication to improvement. Venom was impressed by Tobirama's innate talent, while Tobirama thought this Sasuke was stronger than the one from anime.

Later that evening, as Venom stood before the mirror in Sasuke's home, he reflected on the day's events. Gazing into the glass, he felt a mix of sadness and wrath. He cherished the memories he made as big boss, but here he became an impostor again. Even though this wasn't what he wanted, this life and mission—he planned to make them his own.

As emotions surged within him, a smirk crossed Venom's features.

"I will make this life meaningful," he vowed, his voice firm. "For both of us."

Suddenly, with force, he struck the mirror, shattering it into countless fragments. The many reflections of his now awakened Mangekyou Sharingan stared back at him, he was surprised at first.

But the smirk returned, because they were the symbols of his pain, and the sign of a new beginning.

The sound of breaking glass drew Sasuke's family to the bathroom. Fugaku, Mikoto, and Itachi rushed in, concern evident on their faces.

"Sasuke, what happened?" Fugaku demanded, his tone a mix of sternness and worry.

Venom quickly deactivated the Sharingan, concealing its distinctive patterns. "It was an accident," he replied, striving for a nonchalant tone. "I lost my balance and hit the mirror."

Itachi stepped forward, his demeanor shifting to one of relief. "Be more cautious, Sasuke. Come on, let's get you to bed.