MHA: The Sentry

_____[POV: Third person]_____

In the luxurious pink room, filled with cute details and strategically placed plushies, Eri sat at the table, hosting an elaborate tea party. She held a small toy teacup and, with a sweet smile, looked at her fabric guests.

"So, Miss Bear, how did you like the tea?" she asked, changing her voice to represent the plushie. "Oh, it's very good! An exquisite flavor, fit for royalty!"

Pleased with her own performance, she turned to the last guests, the ones who amused her the most: Lucifer and Rice Cake.

Lucifer, impeccable as always in his tailored black suit, crossed his legs elegantly and raised the teacup with a slight smile.

"My, Lady Eri, I must say this tea is truly divine! Smooth on the palate, with a touch of sophistication and a sweet finish that reminds me of sunny mornings in a European summer..." He paused dramatically, closing his eyes as if savoring a rare delicacy. "Yes, undoubtedly a celestial experience."

Eri smiled, delighted by the exaggerated response, but couldn't help noticing Rice Cake fidgeting restlessly beside Lucifer. The white-furred wolf pup was busy trying to remove a pink bow that Eri had tied around her neck.

"Rice Cake, don't you like the bow?" Eri asked, tilting her head to the side.

The wolf pup huffed in response, nibbling at the edge of the fabric with her teeth and shaking her head in an attempt to get rid of it. Lucifer glanced sideways and smiled in amusement.

"Lady Eri, I fear our dear party companion is not much of a fashion enthusiast. A pity, really, as the bow matched her natural charm perfectly."

Eri giggled, but before she could continue the game, there was a knock at the door. Lucifer raised an eyebrow and, with a sigh, made an elegant gesture with his hand.

"Come in."

A butler entered the room with a formal expression, bowing respectfully before speaking.

"Sir Lucifer, apologies for the interruption, but Code R has been activated."

The atmosphere in the room seemed to shift slightly. Lucifer's mocking smile widened, and he leaned back in his chair with a glint of interest in his eyes.

"My, my... already?" He sighed theatrically and stood up, smoothing his jacket before turning to Eri. "My dear Lady Eri, I'm afraid I must take my leave before the end of this delightful celebration, but I promise to return for another cup of your splendid tea."

Eri blinked but nodded understandingly. "It's okay, Lucifer-nii. I know you're very busy... We can play later!"

Lucifer smiled and, with a nod, followed the butler out of the room. Once in the hallway, his expression shifted to something more serious and calculating.

"What do we have?" he asked as they walked.

"The observers reported that the individual arrived in Shizuoka Prefecture yesterday. We are monitoring their movements and awaiting definitive confirmation that they are a reincarnated individual."

Lucifer took the tablet the butler offered him and looked at the target's photo. His blue eyes sparkled with interest as he read the description of the target's ability.

"Summoning of relatives..." he murmured, tilting his head slightly. "Interesting. If he truly is a reincarnated individual, I already know exactly what kind of person to expect."

The butler hesitated before asking, "What will be the next step, sir?"

Lucifer smirked, a glint of pure amusement in his gaze.

"Have an appropriate area cleared. I will personally welcome our new guest."

_____[POV: Ryuji]_____

Turning 14 was as uneventful as any other birthday. No surprises, no big changes... except for the fact that my mom almost had a meltdown when I mentioned I wanted to become a hero. I mean, it was to be expected. My dad died in the middle of a fight between a hero and a villain, so from her perspective, I was basically signing up for the same fate. She just wants to protect me, I get it. What she doesn't know is that I'm literally immortal to the point where, even if my existence were erased from history, I'd still come back. Ah, the little details of life.

But there's something else that's been bothering me lately: the flies. And by flies, I mean government agents, spies, lunatics in black suits watching my house, my mom, Izuku... frankly, I've lost count of how many I've had to get rid of. The Association and that buffed-up Slenderman never give up.

Thankfully, thanks to Lucifer, things have been a bit calmer lately. He's been investigating and feeding me information straight from the source. And by "informing both sides," I mean he pretends to be friends with everyone while playing a double game in my favor. A true social chameleon.

And as I reflect on the fate of a rotten society and how ridiculous the corruption of the HPSC is, I'm suddenly interrupted by a familiar sound. Something exploded behind me.

Oops. Forgot I was at school.

"Forget UA, you damn nerd!"

Yeah… seems like some canon things still hold true. Bakugo had Izuku by the collar, that arrogant smirk plastered on his face.

"No. Now, please let me go. I don't want to fight you," Izuku replied calmly.

Hah. If there's one thing I've learned, it's to never underestimate that nerd. Since he was 5, I've encouraged him to learn martial arts. Karate, Muay Thai, Kickboxing, Capoeira, Taekwondo...

THUD!

Oh, and let's not forget Judo. Izuku executed a perfect Seoi-nage, slamming Bakugo to the ground like a burnt trash bag.

The silence in the room was almost deafening. Bakugo's lackeys turned pale, processing the fact that the "invincible" Kacchan had just been thrown to the ground by a quirkless kid.

"YOU BASTARD!" Bakugo roared, charging up an explosion in his hand.

Izuku simply took a step back, letting Bakugo lunge forward with all his fury… and faceplant into the wall. That must've hurt.

Bakugo staggered to his feet, even angrier than before.

"I'LL—"

Before he could finish, I gave him a solid smack to the head. Bakugo face-planted into the floor, unconscious.

"Hey, you two," I pointed at his trembling lackeys. "Take this idiot to the infirmary before I lose my patience."

They nodded frantically and dragged Bakugo's body away. This has become routine.

"Thanks," Izuku smiled at me, still surprised.

"I only did it because I can't stand that guy screaming in my ear," I muttered, tossing his backpack back to him.

"Oh, and one more thing." I pulled a letter out of my pocket and handed it to Izuku. "It's from your secret admirer..."

He took the envelope with a confused look, then glanced at the door. For a moment, I swear I saw my worst nightmare blushing shyly before darting down the hallway.

Spiders are really fast

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Walking home after another day of school, I was enjoying some music with my AirPods snugly fitted in my ears. Seriously, nothing like a little Lady Gaga to add that dramatic touch to the end of the day.

I wanna love you 

But something's pulling me away from you 

Jesus is my virtue 

And Judas is the demon I cling to 

"Ryuji! Hey, Ryuji! Are you listening to me?!" 

Just a Holy Fool, oh, baby, it's so cruel— 

"Ryuji!" 

But I'm still in love with Judas, baby— 

"Ryuji!" 

I'm just a Holy Fool, oh, baby, it's so cruel— 

"RYUJI!" 

I huffed, stopping in the middle of the sidewalk and dramatically removing one of my AirPods, as if I were a Mexican soap opera actor about to discover that my evil twin had stolen my inheritance. 

"What is it, Izuku?" 

Izuku let out a deep sigh, the kind of tired sigh from someone who knows they have to repeat everything because the mule here wasn't listening to a thing. 

"I was talking about my project, remember? The armor? I've already finished a good part of it, but I need some specific materials that only you can create. Mainly an energy source that can keep the armor running indefinitely." 

Ah, yes. The armor. You know, the kind of thing that, if humanity were smart, he would've already sold to the military and be living on a private island. But no, he wants to be a hero. Congratulations, society. 

"Okay, but explain it to me. What exactly do I need to create?" 

"Well, first, I thought of a cold fusion reactor that could self-sustain without needing constant refueling. Then, there's the issue of the armor's shielding. I was thinking of something that could absorb impact and dissipate energy at the same time, but still maintain mobility and not weigh too much. Oh, and the actuators need a neural response system that reduces reaction time to almost zero. I also thought about implementing a flight system based on magnetic propulsion, but then there's the problem of stability at high speeds, so I'd also need a quantum gyroscopic stabilizer. Oh, and since we're at it, could you create a defense system based on force fields? Nothing too over the top, just something that could stop a direct attack from, I don't know, All Might at his peak." 

I blinked slowly as my mind processed the absurd amount of information he dumped on me. Not that I couldn't memorize it all, it was just so sudden. I just wanted to go home listening to my music, and now I'm stuck in a conversation about futuristic engineering on the level of "let's make Tony Stark look like an amateur." 

"Alright, so what you're really saying is: Ryuji, do everything for me, because I'm just a genius and not a top-tier rich guy." I gave a sarcastic smile. 

Izuku scratched the back of his neck, laughing awkwardly. "Well... if you want to put it that way..." 

I rolled my eyes. "Fine, Einstein, give me some time and I'll see what I can do. But if I create a cold fusion reactor just for your armor, you owe me at least lunch. And it doesn't count if it's from the cheap food place on the corner. I want legit Wagyu." 

"D-Deal!" 

I sighed and put the AirPod back in, continuing to walk as Izuku kept talking about optimizations and improvements he wanted to make. If there's one thing I've learned from hanging out with this guy, it's that he never stops. Never.

Let's put all this aside; it seems I forgot something that was supposed to happen today.

Izuku and I were entering a tunnel at this moment when something hit me. I remembered! This is where that hentai villain attacks Izuku.

When I looked back, I saw the slimy villain emerging from the manhole cover. The shadow he cast with his size caught Izuku's attention and made him turn around too.

"Well, well, well, what do we have here... Two disguises for me to hide from that bastard..."

He tried to engulf us with his slime from all sides, but I grabbed Izuku and quickly flew a few meters back to escape him. The slime villain realized he didn't catch anything and looked at us a few meters away, visibly confused. But he brushed it off and started advancing toward us.

Izuku, quickly grasping the situation, pulled something out of his backpack that looked like a mini snowman head, if it weren't for the safety pin on top and the small red LED serving as a nose. Wait, I think I've seen this somewhere before...

"I think this is the perfect time to test the Chiller Grenade!" Izuku muttered as he pulled the safety pin and threw the Chiller Grenade toward the slimy villain, who laughed upon seeing Izuku throw something strange at him.

"That won't stop me, you brat—" The Chiller Grenade exploded, and the slimy villain froze instantly, turning that pile of sludge into a green ice statue in the position of advancing toward us.

"Wow... Well done, Izuku," I said as I closely examined the ice sculpture that was once a villain. Well, it's my fault for bringing Fortnite into this world.

Before Izuku could respond to my praise, the manhole cover was launched to the ceiling of the tunnel, and the figure of All Might emerged with a shopping bag.

"FEAR NOT! FOR YOU KNOW WHY? BECAUSE I AM-!???" All Might interrupted his famous line as he looked at the frozen villain in front of him. Want an avocado-flavored popsicle?

He alternated his gaze between us and the ice statue several times before calming down and assuming his Number One Hero stance.

"I see you managed to apprehend this runaway villain splendidly! But remember, young ones! The use of unlicensed quirks is prohibited! But I'll let it slide since it was an act of self-defense..." All Might continued to lecture and talk about many things I already found boring. My God, this guy talks too much.

"All Might!" Izuku exclaimed in admiration, his eyes shining as he looked at the hero he admired the most. "D-Don't worry! What I used wasn't a quirk, it was this!" Izuku interrupted All Might, showing the Chiller Grenade he pulled from his backpack.

"It's a device I developed to deal with villains like him!" Izuku said excitedly to All Might.

Izuku started rambling about a bunch of things and explaining various devices to All Might, who in turn was overwhelmed by the flood of information.

"And here's my prototype impact-absorption gloves! Perfect for anyone who wants to throw punches without breaking their fingers! Oh, and I also developed this accessory that shoots polymer nets to immobilize enemies!"

All Might blinked rapidly, clearly trying to process everything. "You really enjoy inventing, don't you?"

"Ah, this is just the beginning! I'm still developing a multi-functional belt with multi-tools and a camouflage device that adjusts to the surrounding environment!" Izuku continued explaining, gesturing animatedly.

"Hahaha... So much energy! You certainly remind me of someone..." All Might let out a nervous laugh while I just crossed my arms and watched the show. It seems All Might has found someone who talks more than he does.

Fortunately, the slime villain managed to break free from the ice prison and interrupted the conversation between the two, just before All Might defeated him with a TEXAS SMASH.

He did the same thing as in the anime, trapping the villain in a soda bottle he carried in his shopping bag.

"Well, I'll take this villain to the authorities! When we meet again, it'll be through the screens of a TV!" All Might walked away from us and prepared to leap, but Izuku didn't move to follow him. It seems the plot is taking a different turn. I'll just go with the flow; it'll be more interesting this way.

All Might then jumped and shot into the sky. I looked at Izuku, who also looked back at me, and we returned to the tunnel to continue our journey home.

_____[POV: Third person]_____

Toshinori Yagi left one of the districts of Musutafu after handing over a defeated villain to the authorities.

He sighed wearily. His workload as a hero had been exhausting him lately, even though villain activity had been decreasing recently. The other pro-heroes had been easily subduing many villains with the new support items and devices, allowing him to breathe and rest a bit more.

As he pondered the new equipment developed by the Hero Support Association, which had made capturing criminals easier, his thoughts inevitably turned to the young boy with messy green hair. He had created an incredible device to neutralize the sticky villain the police were chasing, among other items he had presented before being interrupted by the same villain escaping from the ice prison and being knocked out.

Before Toshinori could delve deeper into the matter, his phone began to ring. He picked up the device to see who it was, and upon recognizing the name on the screen, he immediately coughed up blood nervously.

"H-Hello? I-I can explain, Mom-"

"Explain what, Toshinori!? You left me behind while we were shopping!"

"I know, but a villain showed up and-"

"I understand, I understand... But that doesn't change the fact that you abandoned your mother at the supermarket. Why did it take you so long to defeat that villain? Aren't you the number one hero in Japan?"

Toshinori felt as if he had been pierced by an arrow with his mother's response, coughing up blood again.

The conversation between the two continued as Toshinori made his way back home, receiving more scolding and requests to pick up the forgotten groceries before returning.

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At the Shizuoka City Hall, in a secluded alley, Lucifer exhaled the smoke from his cigarette, observing the dismembered body of a 14-year-old boy scattered across the ground. His expression was one of absolute boredom, as if he had been expecting something more thrilling than the pathetically predictable scene before him.

"The Ten Shadows, huh?" he murmured, poking one of the severed hands with the tip of his polished shoe. "Disappointing."

He let out a sigh as he recalled the battle. The first eight shadows fell so easily that he didn't even need to dirty his suit. The boy, realizing his imminent defeat, panicked and tried to resort to his final trump card: Mahoraga.

"Ah, yes. The fun part..." Lucifer muttered to himself, a mocking smile forming on his lips.

The reincarnated youth made the fatal mistake of thinking he would have time for a monologue and a dramatic gesture as he positioned his hands. The moment his fingers began to move, Lucifer had already sliced him in half without even changing his expression.

He took another drag from his cigarette, watching the smoke rise and dissipate. "Honestly, what goes through these people's minds? It's always the same thing—they always think their enemies will patiently wait while they strike a pose and deliver their one-liners?" He rolled his eyes. "Pathetic."

Then, remembering the boy's last words before being reduced to a pile of pieces, Lucifer let out a low chuckle. "I can't die now! I haven't smash Mitsuki Bakugo yet!" he repeated, laughing louder. "Well, now you definitely won't get to her."

He flicked the cigarette onto the remains and pulled out his phone, dialing a familiar number. The phone rang twice before it was answered.

"Yes, you can come clean up the mess. I'm done here."

Hanging up the call, Lucifer adjusted his suit and cracked his shoulders. "Now, if you'll excuse me, I have a tea party waiting for me."

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(A/N: It seems like my creativity is at its peak, as I've been coming up with a lot of ideas and finally have a clear picture of where I want to take this fic. Updates will vary, but for now, they'll be between 1 to 2 days apart because I have a lot of information ready.

For those asking if the story will have a harem, the answer is no. Usually, those who do this are the ones who want to include some kind of lemon in the fic, but I have no plans for that kind of thing or even to develop multiple romantic relationships for the MC. I'm still thinking about which girl to choose, but I'll warn you now that she won't be anyone from Class 1-A. It will be a completely unexpected character for you all. I'm trying to be different, and also not turning the MC into a pedophile.)