Chapter 1: New Bearings
Andrew stood under the shower's cascade, still marveling at the unfamiliar body he now inhabited. Two days had passed since his awakening in Mamoru Chiba's apartment, and the surreal nature of his situation hadn't diminished in the slightest.
"Definitely taller," he muttered, watching water sluice down longer limbs than he was accustomed to. "More muscle definition too, though not by much."
The shower helped ground him—the simple sensation of hot water against skin provided a familiar anchor in this sea of strangeness. Each morning began this way: a moment to recalibrate, to remind himself that this wasn't just some elaborate dream.
As he stepped out and toweled off, Andrew caught his reflection in the bathroom mirror and paused. Dark hair with hints of that peculiar green undertone when the light hit it just right. Blue-green eyes that weren't quite Mamoru's original shade, as if his presence had already begun to alter this body on a fundamental level.
"I need to start thinking of myself as Mamoru now," he reminded himself quietly. "That's who I am to everyone else in this world."
He dressed quickly in clothes he'd found in the wardrobe—simple, practical items that thankfully aligned with his own preferences. A charcoal button-up shirt, dark jeans, and a lightweight jacket seemed appropriate for exploring the city.
His initial rummaging through the apartment had yielded critical intelligence: Mamoru was indeed a medical student at Keio University, had several part-time jobs, and maintained meticulous financial records. Like Andrew, he lived alone, though the reasons were different. Where Andrew had chosen independence, Mamoru's solitude stemmed from orphanhood—a detail that had stirred uncomfortable emotions when he'd encountered it in Mamoru's papers.
The kitchen was spotless and well-equipped, though clearly underutilized. He ran his fingers along the counter, mentally cataloging what he'd need to purchase to make it functional by his standards.
"At least we have this in common," he murmured, opening the refrigerator to find it nearly empty save for basic necessities. "Neither of us was big on grocery shopping."
A calendar on the wall was marked with class schedules, work shifts, and study sessions—all in handwriting that felt alien despite technically being "his" now.
"Med student," he said, shaking his head. "From programming to medicine. That's quite a career change."
He gathered a simple messenger bag he'd found in the closet, slipping in his wallet, keys, and a small notebook. The bag also contained several textbooks on anatomy and physiology that made his head swim when he'd attempted to read them.
"Learning curve's going to be steep," he acknowledged, though not without a spark of excitement. He'd always enjoyed mastering new skills, whether in games or cooking. This was just... a more extreme version of that challenge.
Before leaving, Mamoru closed his eyes and attempted to center himself. The constant barrage of Earth's energy had become at least marginally more manageable since that first disorienting day, though it remained a persistent background hum—like trying to concentrate in a crowded café.
"Filter it down," he whispered, imagining adjusting the volume on the sensory input. To his surprise, the cacophony of sensations dimmed slightly, becoming more bearable. "Interesting. Mental visualization actually helps."
With a final glance around the apartment, Mamoru stepped out, locking the door behind him.
The spring air carried the scent of cherry blossoms as Mamoru navigated the streets of Azabu-Juban district. His predecessor's memories provided a basic mental map, but experiencing Tokyo firsthand was entirely different from anime depictions or borrowed recollections.
"Like having studied a map but never walked the streets," he mused, pausing at a corner to orient himself.
Each step brought new sensations through his Earth connection. Underground water pipes humming with pressure. The subtle vibration of subway trains far below. The compacted soil beneath concrete and asphalt, somehow still alive despite being smothered by the city's weight.
A small park beckoned nearby, and Mamoru found himself drawn to it like a compass needle to north. Inside, the sensations intensified—each tree a bright node in his awareness, grass blades collectively singing a chorus only he could hear. He sat heavily on a bench, overwhelmed.
"Too many inputs," he muttered, massaging his temples. "Need better filtering."
An elderly man tending a small garden plot nearby glanced over with curiosity. "Are you all right, young man?"
Mamoru straightened, composing himself. "Yes, thank you. Just... appreciating the park."
The old gardener nodded approvingly. "Good to see young people taking time for nature. Most are too busy with their phones these days."
A polite smile was all Mamoru could manage as he concentrated on dampening the sensory input. The plants in the old man's garden plot seemed particularly insistent on being noticed—their energy signatures brighter, more demanding of attention.
"What are you growing there?" he asked, partly out of genuine curiosity and partly to distract himself.
The gardener beamed. "Herbs mostly. Shiso, mitsuba, some spring onions." He gestured proudly at his small domain. "Community garden plots. You should get one—good for the soul."
Mamoru nodded, surprised to find himself genuinely considering it. "Maybe I will."
As the conversation concluded, Mamoru realized something peculiar—focusing on the specific garden plot had helped him filter the broader sensory input. By directing his attention deliberately, the overwhelming background noise dimmed.
"Like focusing on one conversation at a party," he realized. "Don't try to hear everything at once—concentrate on what matters."
He practiced as he continued through the park, deliberately shifting his awareness between individual trees, flower beds, and patches of grass. Each shift grew smoother, the mental discipline not unlike the concentration he'd needed during intense gaming sessions or complex cooking techniques.
"Progress," he murmured with satisfaction as he exited the park, the sensory overload now reduced to manageable levels.
Mamoru's wanderings led him to a shopping district where familiar chains mingled with local establishments. His stomach reminded him that he hadn't eaten since the simple breakfast he'd prepared from the apartment's meager supplies.
A modest ramen shop caught his attention—its exterior unassuming but the aroma emanating from within undeniably enticing. Inside, he found a counter with several stools and a chef who acknowledged him with a brisk nod.
"Just one?" the chef asked.
Mamoru nodded, settling onto a stool and scanning the simple menu. "Tonkotsu, please."
As he waited, he observed the chef's movements with professional appreciation. The man's technique was efficient, practiced—no wasted motion, no unnecessary flourish. In cooking as in many disciplines, such economy indicated mastery.
"You're new here," the chef commented as he placed the steaming bowl before Mamoru.
"That obvious?"
The chef shrugged. "I remember faces. Haven't seen yours."
Mamoru broke apart his chopsticks. "Just moved to the area."
The lie came easily, though it wasn't entirely false. In a sense, he had just "moved in."
The first taste of the ramen sent a rush of sensation through him—not just the expected culinary pleasure but something deeper. He could sense the origins of the ingredients, the soil that had nourished the green onions, the waters where the katsuobushi had once swum as bonito.
"This is incredible," Mamoru said, genuinely impressed both by the flavor and this unexpected facet of his Earth connection.
The chef gave a small smile of acknowledgment and returned to his work, allowing Mamoru to eat in contemplative silence.
Another application of Earth sensitivity, he noted mentally. Food connection—could be useful for assessing quality, possibly detecting contamination. Worth exploring further.
He finished his meal, paid, and continued his exploration with renewed energy. The sensory input from the city continued, but his improvised filtering technique maintained its effectiveness. Each block revealed new facets of Tokyo—some matching his expectations based on the anime, others completely unexpected.
A bookstore with a small café caught his attention. Inside, Mamoru browsed the medical section, selecting a few introductory texts that might help him bridge the knowledge gap more effectively than jumping directly into the advanced materials from the apartment.
"Planning ahead," he murmured, adding a notebook and several pens to his purchases. "Need to start with the fundamentals before tackling the advanced material."
At the café counter, he ordered coffee and settled at a small table. Opening one of his new books—a primer on human anatomy with detailed illustrations—Mamoru began to read, occasionally jotting notes.
His gaze drifted to a bulletin board near the entrance where various community notices were posted. A familiar name caught his attention: Juban Municipal High School. A poster advertised their upcoming cultural festival.
Usagi's school, he realized. Somewhere out there right now, probably living her normal life before everything changes.
The thought was both amusing and sobering. These weren't just fictional characters anymore—they were real people in this reality, and their future battles would have real consequences. Nine billion potential lives hung in the balance of how well he could alter the course of events.
Mamoru closed his book, suddenly restless. His fingers tapped a rhythm on the table as he contemplated his next steps. The calendar back at the apartment indicated classes would resume in two days following a brief holiday break. That gave him limited time to prepare.
He mentally organized his priorities: get comfortable with basic medical knowledge, assess physical capabilities, experiment with Earth powers, develop a training regimen, and eventually, make contact with the Senshi when the time was right.
Gathering his purchases, Mamoru headed back into the Tokyo afternoon, his path now taking him toward areas where he might eventually encounter the Sailor Senshi.
Game Center Crown came into view, its façade instantly recognizable despite minor differences from its animated counterpart. Mamoru paused outside, watching teenagers flow in and out with the easy camaraderie of regular patrons.
Too soon for initial contact, he decided after a moment's consideration. Need to be better prepared.
Instead, he continued his exploration, determined to get a better feel for the city that was now his home.
The crowded shopping street bustled with activity as Mamoru navigated through groups of students heading home from school. His height gave him an advantage, allowing him to see over most of the crowds, but it didn't help him avoid the inevitable collision.
The impact was sudden—someone barreling around a corner and straight into his chest with enough force to make him step back. A flurry of blonde hair, a surprised yelp, and the distinct sound of papers scattering across the pavement.
"I'm so sorry!" a female voice wailed. "I wasn't looking where I was going and I'm already late and—"
Mamoru looked down into a pair of wide blue eyes and felt a strange jolt of recognition. Odango hairstyle. School uniform. Flustered expression.
Usagi Tsukino.
"It's fine," he said, recovering quickly. "Are you hurt?"
She blinked up at him, her cheeks flushing slightly. "N-no, I'm okay. But my test papers..."
Mamoru glanced down at the scattered papers that had fallen from her bag. One face-up sheet prominently displayed a glaring red "30%" at the top.
"Let me help," he offered, kneeling to gather the papers before they could blow away in the spring breeze.
"You don't have to—" she started, then stopped as he handed her the collected stack.
"Rough day?" he asked, noting her embarrassment as she quickly shoved the test papers back into her bag.
"The worst," she admitted with a dramatic sigh that was so quintessentially Usagi it almost made him smile. "Ms. Haruna is going to kill me when my mom signs these tests, and I'm late meeting my friend, and I haven't even had my afternoon snack yet!"
The torrent of complaints was delivered with such genuine distress that Mamoru found it oddly endearing rather than annoying. This was Usagi exactly as the anime had portrayed her—dramatic, expressive, and unapologetically herself.
"Sounds like you could use something sweet," he said, surprising himself with the suggestion.
Her eyes lit up immediately. "Do you know a good place nearby?"
Mamoru hesitated, unsure how to respond. He was still learning the neighborhood himself, but admitting that might seem strange for someone who supposedly lived here.
"There's a crepe stand around the corner," he improvised, recalling one he'd passed earlier. "They looked decent."
"Crepes! Perfect!" Usagi exclaimed, her entire demeanor brightening. She took a step in that direction, then paused, looking back at him. "Um, do you want to come too? As a thank you for helping with my papers? Unless you're busy, of course!"
The invitation caught Mamoru off guard. In the original timeline, their first meetings had been antagonistic, filled with teasing and bickering. This more positive interaction was already a departure—a small ripple in the narrative.
"I suppose I could use a break," he found himself saying. "Lead the way, Miss...?"
"Tsukino! Usagi Tsukino," she supplied cheerfully. "And you are?"
"Mamoru Chiba," he replied, the name still feeling foreign on his tongue despite his efforts to internalize it.
"Nice to meet you, Mamoru-san!" she said brightly, as they began walking toward the crepe stand. "Do you live nearby?"
"Azabu," he replied, maintaining a polite distance as they navigated the crowded sidewalk. "I'm a student at Keio."
Usagi's eyes widened. "Keio? That's such a good school! You must be really smart."
Her simple admiration was refreshing—no pretense, no hidden agenda. Just open appreciation. Mamoru found himself smiling slightly.
"I study a lot," he said modestly, then nodded toward her school uniform. "Juban Municipal, right?"
She groaned dramatically. "Yes, where they give terrible math tests that nobody could possibly pass!"
"Nobody?" he asked, raising an eyebrow.
"Well, maybe some people in class could," Usagi admitted with a pout, "but nobody normal."
She hasn't met Ami Mizuno yet, Mamoru realized. We're definitely pre-canon.
They reached the crepe stand, where Usagi ordered a chocolate-strawberry monstrosity with extra whipped cream while Mamoru opted for a simple green tea version.
"That's so boring!" Usagi protested when she heard his order. "You should at least get some fruit in it."
"I prefer subtle flavors," he replied, amused by her enthusiasm for sweets.
As they found a nearby bench to enjoy their treats, Mamoru studied Usagi more carefully. She was exactly as he remembered from the anime—animated, expressive, her emotions changing from moment to moment with transparent honesty. There was something undeniably charming about her lack of pretension, even if her energetic nature was a stark contrast to his more measured approach.
"So what are you studying?" she asked between enthusiastic bites of her crepe.
"Medicine," he replied, noting with amusement the small dab of cream on her cheek.
"A doctor! That's amazing," she said. "I have no idea what I want to do yet. My dad says I need to focus on my grades first, but school is so boring."
"Not everything that's important is exciting," Mamoru found himself saying. "Sometimes the most valuable skills come from tasks that seem tedious at first."
Usagi wrinkled her nose. "You sound like my teachers."
He chuckled. "Sorry. Hazard of being a university student, I suppose."
"It's okay. You're nicer than you look," she said with disarming directness.
"How do I look?" he asked, curious about her perception.
She tilted her head, studying him. "Serious. Maybe a little sad. Like someone who thinks too much."
The assessment was surprisingly perceptive for someone often portrayed as oblivious. Caught off-guard, Mamoru instinctively fell back on humor as a defense.
"And here I thought I was pulling off 'mysterious and cool,'" he quipped with a half-smile. "Guess I need to work on my image."
Usagi giggled. "Well, you're definitely mysterious. I don't know many university students who'd stop to help pick up terrible test papers and then buy crepes with a stranger."
"Maybe I'm conducting a sociological study on the correlation between sweet consumption and test scores," he suggested with mock seriousness.
Her eyes widened momentarily before she burst into laughter. "If that's true, I must be your perfect research subject!" She glanced at her watch and gasped. "Oh no! I'm even later now! My friend Naru is going to kill me!"
She stood quickly, brushing crepe crumbs from her uniform. "Thanks for helping with my papers and for the company!"
"It was my pleasure," Mamoru replied, finding that he meant it. "Good luck with your tests."
"I'll need it!" she laughed, then paused. "Maybe I'll see you around sometime?"
"It's a small neighborhood," he said with a slight smile. "I'm sure our paths will cross again."
With a cheerful wave, Usagi hurried off, her blonde pigtails bouncing as she disappeared into the crowd.
Mamoru remained on the bench, contemplating the encounter. He hadn't expected to meet her so soon, nor had he anticipated the strange mix of feelings the meeting would evoke. There was no immediate romantic attraction like Mamoru had apparently felt in the original timeline, but there was something undeniably engaging about her personality.
She's just a normal girl right now, he reminded himself. Not yet Sailor Moon. Not yet a warrior or a princess.
And in that normalcy lay opportunity—a chance to establish a different foundation for their relationship before the weight of cosmic destiny descended upon them both.
The secluded corner of the park was perfect—a small clearing surrounded by trees that shielded him from casual observation. Mamoru set down his bag and took a deep breath, centering himself.
"Time to see what I'm working with here," he murmured.
He closed his eyes, reaching for the constant background hum of Earth's energy. Rather than resisting it as he had been all day, he now invited it in—a controlled opening of mental floodgates.
The rush was immediate and intense. Energy surged through him, setting every nerve alight. Mamoru gasped, nearly buckling under the sensation, but held his ground through sheer determination.
"Focus and control," he reminded himself through gritted teeth.
Gradually, he managed to direct the flow, visualizing it as moving through specific pathways rather than flooding his entire system.
When he felt he had a tenuous grasp, Mamoru opened his eyes and held out his right hand, palm up. Focusing his concentration, he attempted to manifest the energy visibly.
Nothing happened.
"Come on," he muttered. "I know you're there. I can feel you."
Mamoru adjusted his approach, recalling how visualization had helped earlier. He imagined the energy condensing into a visible form above his palm—concentrated, controlled, directed by his will.
Slowly, a faint shimmer of golden-green light appeared above his palm—unsteady and weak, but undeniably there.
"A beginning," he said with a small, satisfied smile.
He maintained the energy manifestation for several seconds before it dissipated, leaving him unexpectedly drained. The effort had cost more than anticipated.
"Definitely need to work on endurance," Mamoru noted, sitting heavily on a nearby bench to recover.
As his breathing steadied, he pulled out his notebook and began documenting the experience, creating what amounted to a training manual for his emerging abilities.
Earth Connection: Always active, requires filtering technique to manage sensory input. Applications: terrain awareness, plant communication(?), food origin sensing.
Energy Manifestation: Visual effect achieved but minimal practical application yet. Physically taxing. Requires proper mental focusing technique.
He tapped his pen against the page thoughtfully before adding:
Training needed: Physical conditioning to better channel energy. Meditation to improve filtering and focus. Practical experimentation in controlled environment.
Consider researching crystals and metals with Earth affinity as potential focusing tools.
As the sun began its descent toward the horizon, Mamoru gathered his belongings and started back toward his apartment. The day's exploration had yielded valuable insights and the beginnings of a practical approach to his situation.
Tokyo's lights began to illuminate the darkening city, creating a spectacle that no anime had truly captured. Mamoru paused on a pedestrian bridge, taking in the view with a mixture of awe and determination.
"Not just a story anymore," he reminded himself softly.
The weight of responsibility settled more firmly on his shoulders—nine billion potential lives, the future of a planet, all hinging on his ability to succeed where the original Earth guardian had failed.
But unlike his predecessor, he had come prepared with something essential: a strategic perspective and a critical understanding of the narrative's fatal flaws.
"Time to rewrite this story," he murmured, turning toward home with renewed purpose. "And this time, we're going for the good ending."
The Earth's energy hummed in response, a subtle resonance that felt almost like approval.
The apartment seemed smaller when Mamoru returned, as if his expanded awareness of Tokyo had somehow compressed his private space. He deposited his purchases on the kitchen counter and stretched, working out the tension of the day's explorations.
The refrigerator needed stocking. The medical books required studying. The Earth powers demanded training. But first, he needed a proper meal.
Mamoru surveyed the kitchen with a critical eye. "Time to make this place mine."
He began reorganizing cabinets, mentally cataloging what equipment was present and what he would need to acquire. The familiar ritual of kitchen assessment centered him—a bridge between his old life and new.
"Different circumstances, different challenges, but cooking remains the same," he said as he began preparing a simple meal from the limited ingredients available.
As rice cooked and vegetables sizzled, Mamoru reviewed the calendar more thoroughly, planning his approach to classes and work commitments. Medical terminology from his afternoon reading drifted through his mind, mixing with strategic planning and culinary techniques in a peculiar mental blend.
"Two days to prepare," he reminded himself. "Then the real work begins."
After eating, Mamoru settled on the apartment balcony with one of his new medical textbooks. The night air carried the sounds and scents of Tokyo, still novel to his senses. Above, stars struggled for visibility against the city's light pollution.
His thoughts drifted briefly to Usagi, her disarming honesty and perceptive assessment of him. Strange to think that the fate of the world would soon rest on her shoulders—this ordinary, cheerful girl with failing math grades and a love of crepes.
What had gone wrong in the original timeline wasn't just one fatal decision, he realized. It was the accumulation of failures in the system around her. Friends who died or were taken hostage at critical moments. Allies who disappeared when most needed. And most damning of all, an Earth Guardian who had been more ornamental than functional—either missing, mind-controlled, or utterly ineffective when it mattered most.
"Everyone just hung the burden on her shoulders instead of truly supporting her," he murmured. "No wonder it all collapsed in the end."
He leaned against the railing, the night breeze ruffling his hair as his thoughts deepened. There had been no real training, no preparation—just an endless series of escalating threats. Evil queens, dark gods, witches, and doomsday scenarios lined up one after another with barely time to breathe between them. Eventually culminating in a confrontation with Chaos itself, where despite everyone's best efforts, it had once again fallen to Usagi alone to make the final, impossible sacrifice.
"It was never her fault," he said, the realization solidifying in his mind. "She was set up to fail from the beginning. Anyone would have broken under that kind of pressure."
The pressure placed on a teenage girl to save the world time and again, with unreliable support and insufficient strategic planning, had eventually led to that devastating outcome—a purification born of desperation and exhaustion rather than wisdom.
"This time, you'll have someone thinking ahead," he promised softly. "Someone planning for contingencies, training properly, building systems that don't collapse when tested. You won't face everything alone."
As if in response to his words, he noticed something curious—both the Earth beneath his feet and the Moon hanging in the night sky seemed to pulse with a subtle glow, almost imperceptible but unmistakable to his heightened senses. A dual approval from the celestial bodies most connected to their fates.
"We'll do better this time," he promised quietly to the night sky. "I'll make sure of it. She won't have to carry it all alone."
Tomorrow would bring more exploration, more practice, more preparation. The Earth continued its steady hum within him, a constant reminder of his purpose in this new reality.
Mamoru opened his book and began to read, determined to master yet another skill set, to optimize his capabilities. Only this time, the stakes were real, the consequences tangible, and the world itself depended on his success.
"Earth Guardian," he murmured, testing the title that was now his by cosmic decree. "Better make it count."
Author Note:
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Update shedule:
first week every month:
-Naruto: The Silver Hunter of Konoha
-Sailor Moon: Earths Guardian
second week every month:
-Highschool DxD: The Draconic Knight of DxD
-Fairy Tail: Blacksmith of Fairytail
third week every month:
-Dragon Ball Z: Secrets of Time
-Digimon: Shadow Tamer
fourth week every month:
-Final Fantasy X: Another Summoners Path
-Naruto: Crimson Eyes
-Pokemon: Soulbond
