A certain faction of a certain terrorist organization observed the chaos that was unfolding from a distance. Their initial goal was to recruit the sacred gear possessor and retreat without anybody realizing it. However,

"This will be difficult."

The speaker was a young man with a spear wrapped in clothes over his shoulder. He was the leader of the hero faction, a group with three top-tier Longinus Sacred Gear in their possession.

While observing the smoke and listening to the sounds of explosions coming from the apartment building they were observing, Leonardo decided to voice his thoughts while he still had the chance. The 12 years old had absolutely no desire to get there; fighting directly was not his suit.

"Are you sure we need to go there?"

"Yes. Most probably. But you just need to make monsters. You do not need to go there physically."

The wielder of Dimension Lost answered. He possessed the strongest barrier-type sacred gear in existence. Needless to say, he was strong enough to potentially imprison even Gods and Buddha if he trained enough.

"Something that can counter devils would be nice. And fallen angels. Leonardo, create 5 anti-devil creature and 5 anti-fallen angels. That should be enough to test the waters." True Longinus user Cao Cao ordered.

That was fine with Leonardo. He did what he always did. Concentrating, he imagined the creatures he wished to create. They sprang up from inside his shadows and formed at an incredible speed. When it was over, ten huge creatures from various mythologies stood there. A second later, Leonardo gave the necessary command; they speed toward the building they were all observing.

"It looks like the other devil faction has arrived too. Wonder if he had a method to deal with them?" Georg wondered out loud.

"It does not matter. We do not need him after all. We just require his sacred gear. We can always find a suitable host later," Cao Cao answered without taking his eyes off the speeding monsters. He had no use for a devil unless he could use them in a heroic fight.

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"In the end, Raynare didn't return. We have to assume that she was defeated by the boy. He truly does have an amusing sacred gear."

In an abandoned church, the fallen angel muttered to himself. His partner, however, pained no attention to him. She was staring at the corpse of a blonde girl. She turned to look at the small girl who had two silver rings with a blue gem on each.

"How do you feel?" She asked, though not out of any concern for her wellbeing. They had already lost one of their numbers. They needed to bring back at least something to avoid punishment.

"I don't know. Maybe if someone was injured, I could heal them to test it."

The small girl, Millet answered while staring at her new sacred gear. Its power could be used without needing to strain oneself. While not possessing any direct combat ability, it was an excellent support type power.

Before she could answer her, though, a bat familiar rushed inside.

The male fallen angel took one look at it before turning to Kalwarner.

"It appears it has located Raynare and the boy."

His words were met with surprise by both the girls. The reason they couldn't track the boy was simple. Raynare didn't want to share the credit and thus never told them exactly where to find him.

"How did that happen? This familiar, how did it find them when we couldn't?"

She demanded of the man while looking at the jet-black familiar.

"It appears a lot of devils gathered in one place to rescue one of their own. I wonder if the boy was stronger than we thought."

He received no answer; the other two had taken off. Speaking to himself again, he looked at the fallen girl with golden hair.

"They got greedy. Not good. If they were only happy with what they got, they won't have gotten killed."

He had no reason to follow them. He loved to live, after all; He had no intention to sacrifice himself. One of the reasons he becomes a fallen angel.

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The apartment door was blown open with a loud bang as Saji entered the building. Before he could do anything, however, a large monster fired a beam of light at him. As he was unprepared, it shot straight through his shoulder. Staggering outside, he found his comrades engaged in battle with other similar creatures out of fairy tales in the hallway.

Inside the apartment, Issei sat in a chair as he observed the situation. Though it was game over for him, ten creatures had appeared out of nowhere and attacked the Sitri group. Nobody had managed to enter the apartment yet.

"Partner, these creatures are bad news. I recognize them. Well, not them, but the power they were created with. It is a Longinus that ranks third in power. Its potential is limitless, just like your Boosted Gear. And that is not all; it is potentially more powerful and versatile."

Issei looked at the three girls huddled in a corner where he forced them to sit as he answered, "You mean it can boost power infinitely as long as the body can support them too?"

"Nope. It can create anything the user imagines. As long as the image is detailed enough and the user is skilled, it can create anything. Anything living, that is."

"That is a useful power. I need it."

"Before that, you need to get out of this mess. Any ideas? It is still too early to trade a body part with me."

"Actually, no. I guess this is as far as we go. Those devils have surrounded the building. I am exhausted. And I have no allies. Those monsters may last another minute. Hey Ddriag, is that sacred gear really that strong? These are mid-level devils at best. "

"That would be the skill part. Maybe the user is a noob."

"Then, I guess, this is it."

The door was blasted apart with an explosive force. Then the devils entered.

"Issei-kun, it is over."

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Millet and Kalawarner rushed to the scene of the battle. At least they were until,

"Hello, ladies. I am sorry, but I will have that sacred gear. And I do not take no for an answer."

A young man with light brown eyes and short brown, spiky hair was standing there.

"Who are you?" Kalawarner asked. She was pretty sure this was the kid she was heading to watch in battle with the devils.

"That should be obvious. I am Issei Hyoudou. I am going to become the harem king. Want in?"

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Issei looked at the Sitri devils as Sona Sitri prepared a large magic circle.

"Well, Ddriag, this has been a good run."

"Partner, I…..

Before he could finish, the blast hit Issei.

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"That is over."

Rias, and Akeno were standing while being supported by the rest of the ORC members. Raynare was standing in a corner as Sona prepared to finish her off.

"If you have a last wish, I am willing to listen." Sona offered the fallen angel.

"Look, that kid has several sacred gears. I can extract it. We can come to an agreement." Raynare responded. Looking at Issei's body, he has burn marks all over.

Sona paused at her offer.

"You can extract sacred gear?" She asked the girl.

"Of course. I can show you now if you want. But afterward, you leave me in peace. Agreed?"

"Alright." She replied immediately. Retrieving the sacred gear was the top priority, and personal enmity took a back seat in these circumstances.

As Raynare tried to move over to where Issei was lying on the floor, the roof exploded.

"Hello people. I would be grateful if you do not harm my friend there. I do need his powers, after all."

"Who are you? Wait, you look just like….." Sona asked calmly.

"Issei from another world. It has been a while."

Before she could reply, Issei shot something in the air. An intense light appeared as everyone lost their vision temporarily.

"Where are they?" Rias asked weakly.

There were no clues of the two identical teenagers in the room.

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Authors note

Hello people, been a while. Sorry for the late updates, I have been busy with university life and just life in general. Back now.

I am open to suggestions and requests. Please leave a review, so I can make this better.