Reincarnated in Highschool dxd with a nen system

I woke up wearing what felt like my personal coat, face down on the grass. Something I didn't expect at all since after watching Highschool dxd I went to bed while reading the last chapter of God of Highschool.

Sighing, I turned and found myself in a red ish jungle where strange trees branched at random. When I looked up I saw a crimson eye illuminating everything and chills ran down my spine. The eerie silence only added to the atmosphere

I was trying to understand how I got here because I wasn't a heavy drinker and I hadn't engaged in any illegal activities the day before last time I checked. This wasn't an elaborate hallucination unless I was having a stroke or some other mental problem so I'm assuming I was kidnapped.

On a more positive note, I felt better than usual. My body felt energized and I could see better, which is weird since I'm almost blind.

I ignore that for a moment and get up to look for something to protect myself. After searching for a hour and not finding anything within reach and that's not suspicious looking, I decided to walk slowly and carefully through the forest. When I suddenly heard roars and explosions that made me jump up and fall into a boxing stance, I'm incredibly grateful to my dad for teaching me, even though it probably won't help much in this situation.

I must have walked for what felt like an hour before I stopped in front of a pond. Looking down I realized that I resemble Astolfo from the Fate series and I'm uncomfortable with that as my face is very different from before as I don't have a beard nor a scar on my cheek and my rough shaggy hair have hair.

(Pic here)

I let out a heavy sigh. Guess I've been transported to an anime world? I thought to myself as I ran my hand through my hair when I heard a ding.

{Dear host, I am the nen system that you were given so that you can fulfill our task.}

What do you mean by our task, task and why was I reincarnated? I asked, pinching myself to make sure it wasn't a hallucination coming from my own head.

{For someone who was unexpectedly taken up and thrown into another world without their will, you seem to have adjusted very well.}

{You are now in the highschool dxd universe, although it's technically an alternate reality (AU), but we'll come back to that in a moment. You were transported to this universe to eliminate some reincarnates who messed up the plot of this alternate universe.}

That's a lot of information to absorb, so I want to make sure I understand it. I have a nen system and now that I've been placed in dxd, am I supposed to kill other reincarnators who are probably gods with cheats?!! I exclaimed with anger.

{Yes host, now let me explain my features. First: I let you use all types of nen, including specialists. Second, I let you create skills without having to go through the usual training process to create them. Third: I let you buy items and abilities from DXD, One Piece and Naruto. Finally: every ability you buy becomes a Nen ability, which means you have to apply rules to it in order for it to work .}

Complaining won't help my current situation, so calm down and try to survive for now. I thought in my head before calming down.

Where exactly are we? We must be in either hell, purgatory, or some bizarre form of heaven because I'm pretty sure we weren't on earth. I said after a moment the system responded.

{You are currently in the 984th Ring of Hell, which both prepares you for the other reincarnators and lets you get close to some of your opponents who live in the center.}

I heard monster fighting a while ago so why aren't there any here, also there is a beginner's pack. I said in a questioning tone while looking around for danger.

{I've put up a barrier here to keep anything from approaching it, and yes, a starter pack is available.}

{Do you want to go with the starter package? [Y/N]}

I stared at the screen and clicked yes, completely unaware of the pain I was unleashing.

I felt my bones snap as I did so, causing me to scream in surprise, but that was only the beginning. My muscles began to tear. My skin caught fire, my brain was stabbed with knives, and all that remained was darkness.

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Please I've me constructive criticism. _Singed by Xenoking_