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Testament of Highschool DxDead

This is your typical cliché fanfic mash-up. Some nerd gets the isekai hammer, some wishes, and dropped in Highschool DXD, but when he gets there something is a little off. Have fun. I own none of the characters except maybe our nameless MC pre-Reincarnation. I own none of the referenced anime... obviously. This is all just for the funs while trying to think of original material. I may have to rewatch some of the animes while messing around with this. Read the Author's Notes at the end of the chapters. I put questions and stuff there. I don't do it in the body because it messes with the word count, and I think that's cheating.

Sue_D_Nymn · Anime & Comics
Not enough ratings
61 Chs

8

[Notice: 4000 LP gained.]

It was a good night. The morning... less so. I'm woken from a delightful dream, not by the sensual gyrations of my favorite loli succubus, but instead by the pained cries of said loli succubus.

"Mio-sama! My head! That hurts my head!" Maria shouts.

I almost jumped out of bed until I realized what was happening. A comeuppance. Poor Maria, but she brought this on herself.

"You pervy little succubus! Do you know what you've done?!" Yep. Mio was a little upset still.

"I didn't mean to do it. I mean he'd already eaten your pussy, so I figure, in for a penny in for a pounding, right?" Maria says. Someone should remind her that you shouldn't dig deeper when trying to get out of a hole.

"I'll give you a pounding!" Mio screams. This will take a little bit.

Since I was awake but didn't have to get up yet, I thought I should address some minor concerns. Every time I off one of these hazards to Mio, I have to dispose of the body with my quirk. As great for clean-up as it is, I may want to interrogate the corpses eventually. I'm not talking necromancy here, just good old-fashioned thievery. You can learn a lot from the contents of a person's pockets. That and I won't object to a little pocket change if they happen to be carrying.

'Wise Man, let's put together a C-ranked ability that creates a dimensional storage space only I can access. Let's have it outside of time as well. No point in supplies going bad in there.'

[Based on these parameters, the storage space will be of limited size and would not be able to store living entities.]

'Okay, out of curiosity, what rank would I need to be able to create to make a demi-plane where I could control the environment, including time and space?'

[To make a one cubic kilometer space with the proposed level of user control would be at least an S-ranked. Each upgrade from there would increase the size of the space by one hundredfold.]

That's... awesome. Now, I just have to figure out how to increase my Get Creative up to double S ranked, and I can create a training ground... yeah, a training ground.

Hmm. That something else I should consider. The Succubus Master-Servant Testament increases the strength based on the trust and emotion between the master and servants. What if...

'Wise Man, another hypothetical for you. Let's say I wanted to create an ability based on the Master-Servant Testament bond that acted as a dual cultivation method in that it would increase the power of the linked parties when they... satisfied the bond?'

[Astarte's Favor (A)

Named for the goddess of sex and war, this ability allows those bound by a pact to increase their martial power while engaging in their carnal desires. This does not improve technique, merely the potential power the participants may unleash.]

'Well, that sounds good, but I see they have to be bound by a pact. The Master-Servant pact won't be going away anytime soon. I also note that it doesn't say how much the power increases. Any insight on that Wise Man. Maybe lay it out in video game terms?'

[Each encounter is approximate to combat with a creature of half the opposite party's level. The degree of satisfaction may influence the amount of increase the participants experience. Also, skills not appropriate to the encounter are not improved, however, skills used in the encounter may be.]

'Well, that's going on my wish list. Combined with the bonus from the Master-Servant Pact, this should be of major benefit.'

"Issei, time to get ready for school," a still alive Maria calls.

"Be right down," I yell back.

'Wise Man, create the pocket dimension.'

[Gained: Pocket Dimension (C)]

[Remaining LP: 2700]

Easy come easy go.

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I make my way downstairs and end up in the kitchen with a familiar sight. Maria is cooking breakfast in an apron, but unlike yesterday, this morning, it appears she is doing a full naked apron.

I keep my gaze on her as she seems engrossed in what she's doing. "Good morning, Maria."

She jumps a little and turns around. She sees me, and a radiant smile blooms. "Big brother!" she yells and jumps at me.

I catch her and can't keep myself from laughing. "Maria," I say, containing myself. "What are you wearing?"

"Oh," she says with a note of dejection. "Don't you like it? I wore it just for you."

"Of course, I like it. I can see your cute little tush, but that's not the point. We also have to think of Mio. She's still in a fragile state. You should know this better than anyone," I say, poking her cute little nose.

She blushes at that. "I suppose you're right. But I really wanted to do something for you. I really liked the way you cared for me after... you know. It was really sweet."

Can a succubus even get embarrassed about sex stuff? I guess it affected her more than I thought.

"We haven't been a family long, Maria, but I will always take care of both you and Mio," I say and then lean in and stage whisper, "Even if you're naughty."

We share a short laugh. "Now, that said, the world isn't going to just let us enjoy our time together. It's going to challenge us. There are powers in play that we don't even know about, and we're bound to find more that are looking for an opening to take our happiness. I need my adorable little sisters to be ready for when that happens. And I think for today that starts with actual clothes."

She pouts a little and turns on the loli charm. "Can I have a kiss, like Mio got yesterday? It's not fair that she got one, and I didn't."

I lean down to the diminutive imp and sigh. "I'll tell you what; if you're good, and the world doesn't try to annihilate us before this evening, I'll pamper you a little."

Her eyes sparkle. "You promise?" she asks. I nod. She bites her bottom lip. "Can I ask for a small kiss for a down payment?"

I smirk. "Alright, but just a little peck." I lean in and brush our lips together. As I start to pull back, I feel the slick flick of her tongue touch my lips. I gaze into her eyes with a knowing smile. "Now go get changed; I don't want Mio angry at either of us."

Maria continues trying to tempt me by skipping her way out of the kitchen ass in full view. I just shake my head.

'Do you really think a child like that will be more help than me?' Ddraig asks.

'Good morning to you too, Puff.' I say sarcastically.

'Hmph, the question stands.'

'If we're talking raw power, absolutely not, but she has already supplied me with the means to a much greater end. Your power comes with a price tag that I may not be willing to pay.'

'What do you mean?'

'You want a part of my body, right? It'll become yours and not mine?'

'What? No! The only reason a deal like that would be made is if you needed a large increase in power quickly.'

'What about the Balance Breaker?'

'What about it?'

'I thought I needed to give up a body part to be able to engage it?'

'Where did you get that idea?'

I sigh out loud. 'You know what. I haven't watched that damn anime in a long ass time. Can you look at my memories?'

'If you allow me to.'

I try to focus on what I can remember from the Highschool DxD anime and let Ddraig in.

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.

.

An hour later, we are all walking towards the school. Maria, much like her anime counterpart, has arranged not to go to school. Her having freedom from school to act as backup, in case of emergency is pretty nice, but I'll have to keep an eye on her to watch for when they try to turn her. I'm sure they will.

'BOOB DRAGON!!!' I flinch at the mental scream of Ddraig.

'Damn it. Keep it down in there. We can talk more later.' I think back. Ddraig is still grumbling, but not screaming at least.

"Are you okay, big brother?" Maria asks.

I look over at her and Mio, looking at me with concern. I smile back. "Just a little headache. Nothing to worry about," I say. "Hey, we're almost there."

"Okay," Maria says. "I'll be in the area on standby."

"Thanks, Maria," Mio says, having recovered from her ordeal last night.

"No problem. If you need me, I'm a phone call away," she says to Mio. "And Issei, if you need me, just know..." she holds her hand up to her mouth and stage whispers, "I'm not wearing any underwear."

Mio turns bright red, and I'm pretty sure the guy who dropped his books heard that too. I just shake my head. "Maria, is this what you call being good? It seems a little naughty to me. Remember our deal."

"Oh," she says with a pout. "Sorry, I'll put some on then. It's just that my but is still a little sore from what you did to it last night."

Now I'm certain that some people heard that, including the guy who dropped his books as his mouth is now practically dragging on the ground. Mio has started walking away. I rub my temple. "Maria," I say with an implied threat.

"Sorry! It's a habit. I'll go," she says and walks away. She stops after twenty or so feet and turns around to wave. "Have a good day."

.

.

.

Kuoh Academy, formerly Kuoh Girls Academy has recently started allowing boys to attend. Still, the male to female ratio is still ten girls for every boy. Then again this world's population is pretty heavily slanted towards the fairer sex. Something like seventy to thirty. Thanks, gods.

I enter classroom 3B and flop myself down in the protagonist's seat. I know Mio has been added to the class, dad made sure of it, but she'll be introduced along with any other new students. Looking around I recognize a few people; Rei's 'boyfriend' Hisashi, who could miss Saya's twin pink ponytails or her scowl which is directed at me which I return in the form of a sarcastic smirk, a couple of seats over from me, 'the perverted trio,' and a few other girls that are tickling my cortex.

Basara's influence and loner personality must have really affected things if Issei isn't even included in that group. The person who replaced him, or I guess me, in that group is rather surprising.

"Where were you all summer, dude?" Matsuda asks.

"Yes, you missed out. We managed to find a spot to peek at the Kendo club. We're going to go later to check it out. You in?" Motohama asks.

"Forget that. Wait, on second thought, yeah I'm in. But that's not the point. I finally got the chance, guys."

Matsuda and Motohama are shocked. "No way," they say in unison.

"It's true. It was so beautiful, you guys." He practically had tears in his eyes.

"Who was it?"

"An American company. They had a month-long boot-camp-like program," Kohta says. Motohama and Matsuda fall out of their chairs.

"You asshole!" Matsuda shouts, while Motohama just glares, I think through his glasses. "We thought you were talking about something important."

"It is important!" Kohta shouts back. "Do you know how awesome it was? They let me drive a tank and fire an Armalite AR-10(T). It was awesome!"

I've lost interest in them already. The teacher walks in and everyone quiets down. Next to the teacher are three new students. The first is obviously Mio. Basara didn't recognize the second new student at first in the anime, but having watched the anime, I'm certain about who it is. As for the third, I knew he'd be making an appearance sooner or later.

Mio is introduced and I can hear Motohama calling out her measurements to the other two perverts. "90-54-83."

Shockingly accurate. Mio's introduction is fairly simple, there are only six guys in the room, and the perverted trio's reaction to more beautiful women is already a given. Mio's winning smile and cute appearance are always crowd-pleasers.

Mio takes a seat towards the middle of the group, a couple of seats back from a busty blond girl with glasses, who I'm pretty sure I recognize but I can't place where.

The next girl up is...

"Hello, I'm Yuki Nonaka. It's a pleasure to be here," she says with a slight bow.

"79-53-84"

I roll my eyes at the doofus. Can't they just appreciate without making it creepy? I get it, I really do. Maybe it's the Issei in me or maybe the dragon in me, but that urge to possess a beautiful woman is intense. However, I also understand that they're not pokemon to be collected. Okay, I might be a hypocrite here, because there are a few that I was planning to collect and train like pokemon. Don't hate me too much though, the other option isn't much better.

I must have been too engrossed in my introspection because when I look up it's into the amber eyes of Yuki. I haven't seen the aqua-haired heroine since we were seven and the goodbye wasn't the best of memories, but I smile a slightly sad smile and say, "Hi, Yuki."

She leans down and wraps her arms around me. The not-so-shocking shocked gasps of our classmates resound through the room. Also the outraged exclamation of Mio, but I'll get to that in a second. The interesting thing is that two other people matched Mio's outraged exclamation almost like they had planned it ahead of time. Leaping from their seats, pointing like scorned lovers, and saying the exact same line as Mio at the exact same time. Synchronized outrage. It was amazing.

A pinkette and two redheads. It's like a trinity of awkwardly denying emotions coupled with a tendency to overreact. How did my life get so interesting? Oh, yeah, I'm a harem protagonist now. The other redhead is the class-rep Lillith. I'm sure I've seen her in some anime, but I'm drawing a blank.

"Wh-what are you two doing?!" Mio, Lillith, and Saya yell.

Saya, realizing what she just did and seeing Mio do the same, turns red in embarrassment and drops down into her seat, Lillith just freezes in place, and Mio, being Mio, continues making a scene.

"Would you let go of him already?! H-hugging him all of a sudden... Is there something wrong with you?" she says.

Yuki stands up and looks back at Mio. "Not really. This is normal for us."

"It was normal for us eleven years ago," I mutter not getting between these two.

"H-huh? H-hey, Issei, what does she mean?"

"That's none of your business Naruse-san," Yuki declares.

'I-it is my business," Mio says. I'm tempted to interrupt her, but she's doing a fabulous job of advertising for me. If two girls are fighting over a guy then people think, maybe there is a reason. In a world where women outnumber men seven to three, polyamory is commonplace and straight-up harems aren't unheard of. Monogamy still exists, but like with any limited resource, wars are fought and treaties signed. "I'm living with him now!"

"""HUH?!"""

Ah, the sounds of a classroom full of shocked teenagers. Oh, the humanity of it all. After the shock wears off the classroom goes silent. Mio is entirely embarrassed; she basically just declared that she and I are a thing. The teacher calls for order and asks everyone to return to their own seats. Yuki takes a seat one row and column up from me smack dab in between me and Mio.

I'm suffering a couple of glares from the Perverted Trio, but honestly, the guy-to-girl ratio in this school is ridiculous and there are plenty of beauties to go around... if you're not seen as scum, anyway. The more interesting looks are from Saya and Lillith which resemble every anime heroine who realizes that her love interest may have and another love interest. Surprisingly, the cute blonde with glasses sitting between those two is also throwing glances my way, but hers are more curiosity than concern. She joined the class just before the summer break. I'm going to kick myself when I finally remember.

The third new student steps up. "Well, that's going to be a tough act to follow. Ah. Oh, well," he says rubbing the back of his head. "Anyway, my name is Yahiro Takigawa."

Or you can call him by his real name, Lars. The demon sent to keep an eye on Mio, just like Yuki is the hero sent to keep an eye on Mio. I wonder if any of the devils are going to keep an eye on her too. I don't recognize anyone in here as one, but I'm not sure I'd recognize Sona's peerage if they sat on my lap. If the Phenex fucks show up though, I don't mind banishing some asshats into oblivion.