In any building.
At night.
Inside a building, footsteps could be heard. The cause of these sounds are six people, more precisely, Akuro, Rias, Akeno, Koneko, Kiba and Issei.
Akuro : Is this where the defecting demon is? - asks Akuro looking around.
Rias: Yes. We received word from Taiko and apparently a defecting demon has been found in this city. Apparently... he's in that building.
Issei : But what are defecting demons? - Issei asks doubtfully since he's new to this kind of subject.
Kiba : They were once servants of demons.
Issei : Like us?
Kiba : There is a clan that betrayed its masters and today they live as they want. They are the deserting demons.
Akuro : And to think that there would be one of those in the city...
Akuro ( Think ): "Well, you must be wondering why I'm here. So, as I heard that they would be coming to exterminate a deserting demon, I decided to come along to strengthen the bonds of our alliance. But the biggest reason, really, is what... I have nothing better to do!"
The defecting demon then appears, revealed to be a woman. As she was with the top shown, Issei soon said:
Issei: Breasts! -she said with a perverted face.
Akuro ( Think ): "And this is the time to think about boobs?!"
Rias: Defector Demon, Viser. You abandoned your master, and have been using your powers openly. You will be judged for your sins. In the name of the Gremory clan... I will destroy her!
Viser: What a cheeky girl. I'll cover you in blood as red as her hair.
Right after that, she shows her true form. Making issei surprised at how monstrous her true appearance is.
With that, she starts forming magic circles around her chest and fires magic attacks through them. When everyone realized this, they moved to escape the line of fire. However, as Issei was still a rookie, he wouldn't have time to move and evade the gunfire. However, Akuro pulls him by the collar of his shirt and prevents him from being hit. When those attacks hit the wall behind them, they made a hole in it, scaring Issei.
Akuro : Don't let your guard down! Remember, we are dealing with a demon!
Issei: Huh? A-Ah, yes... - stammers Issei, still in shock from what he just witnessed.
Rias: Yuuto.
After Rias said that, Kiba disappeared from Issei's sight, showing once again his great speed.
Issei : How fast is he?! - Issei asks himself.
Rias: He's too fast for you to be able to see him. As I said, Yuuto's position is that of a horse, his specialty is "speed", and his weapon is the sword. - says Rias, explaining to her new servant what is Kiba's position in her Nobility.
After Kiba has moved at such speed, he cuts the demon's arms off.
Viser: AAAAAAAIHHHH!!! - screams in pain.
Koneko then begins to advance towards the demon, where until then, it seemed that she had been swallowed by it. Making issei worry. However, soon after it was possible to see her coming out of the demon, and sending her flying with a punch.
Rias : Koneko is a tower. Your specialty is simple. A great strength and defense capacity against any attack. - he says now presenting his Koneko tower.
Rias: Akeno!
Akeno : Yes, President.o - he says while starting to approach the demon.
Akeno: Ara, Ara. What should I do? Fuhuhuhum! - he says laughing sadistically, while still approaching the demon.
Nobody but Akuro had noticed it until then, one of the decapitated arms of the demon's body approaching Rias to attack her! Issei, in the end, also realizes this.
Issei: President!! - he screams running towards her.
Akuro also decided to intervene. He summons his sword Tensa Zangetsu ready to attack.
Akuro : GETSUGA TENSHOU!!! - he shouts, launching a small bundle of condensed blue energy.
Issei : SACRED GEAR!!! - he shouts, once again invoking the Booster Gear in its most basic form.
Both attacked at the same time, thus reducing that demon's decapitated arm to dust.
Rias : T-Thank you... - She says thanks with her ass on the ground, still surprised by the action of the two.
Issei: ( Embarrassed ) Oh, nothing. I think my arm moved on its own, hehehe... - says Issei laughing embarrassedly at the situation.
Akuro : Have it. - says Akuro with a smile, soon making the Tensa Zangetsu disappear once more.
Rias then gets up from the ground, walks a little, and says the following:
Rias : Akeno, finish her off!
Akeno : Yes, President! - nods with a sadistic smile, not looking forward to punishing the demon in front of him.
Akeno starts shooting several beams at the demon, making her scream in pain again.
Rias: She is my queen. Using "magic" is her specialty. And to top it all off, she is a supreme sadist. - says Rias, finished presenting the position and specialty of each of her Nobility.
Issei: ( Comic Shadow ) Wow, and she's still laughing... - Issei says when he sees Akeno.
Akuro : Oh... Looks like you have some pretty strong people in your Nobility. Yosh, Yosh. I think now it's my turn! - starts approaching the demon.
Issei: Hey, Hey. Just won't be ashamed, huh.
Akuro: Hai, Hai. - replied indifferently. There was no infinite possibility that he would lose.
Akuro ( Think ): "One For All Full Cowling, 8%!"
Akuro's skin is enveloped in multicolored rays, then green rays begin to envelop its body, with its eyes taking on a faint green glow.
Akuro ( Think ): "I think that's enough to finish off that demon."
Akuro made a jump, which was so fast that it seemed like he just disappeared and appeared on top of her.
Issei : He teleported?! he asked in shock.
Kiba: No. That's just his speed, which is so extreme that it seems like he disappears and appears on top of her. I think any inexperienced person would have the same conclusion as you. - comments Kiba impressed with Akuro's speed.
Akuro still in the air, on top of the demon, was preparing to strike.
Akuro : Let's get this over with. SMASHHH!!! - shouted Akuro hitting a full punch on the demon, opening a small crater on the floor.
With this show of strength, everyone was surprised, even Koneko.
Koneko : Incredible... - was the only word that came out of her mouth. She was impressed by his show of strength.
Issei: Damn! It looks like Koneko-chan isn't the only one with amazing strength... - she says sweating frantically.
Rias/Akeno/Kiba : Yes, yes... - they say in unison with a very comical air.
Akuro coming out of the crater he himself had created, was met with their impressed looks.
Akuro : What is it? Why are they with that face?
Issei : You should know better! What ridiculous strength is this?!
Akuro : Remember, I said I fought without a sword too.
Issei : That's not the point! But yes, this overwhelming force!
Kiba : From what I see, you weren't giving your all in our duel... - he comments with a smile.
Akuro: Huh! You talk as if you had fought for real... - he retorts putting a smile on his face.
Rias : Well, I think it's time to put an end to this demon! - says already approaching the demon.
Rias completely exterminates the demon, with her Power of Destruction .
After that, everyone went home.
Following day.
The other day, in the morning, going to school, Issei comes across a girl named Asia. He helps her find the church. However, approaching it, he feels a great pain. After saying goodbye to Asia and going to school, he tells everything to Rias, where he learns that if a demon is exorcised by someone from the church, he will die for eternity.
At night.
Issei as usual, was going out at night to try to close a contract. Until he ended up in a house where he had been asked. Arriving there, he sees that no one is answering and decides to enter the house.
Upon entering, you see blood everywhere, and bodies on the floor. Looking closer, he saw a man sitting on the couch.
??? : What do we have here ... if he is not a demon. - says with a psychopath face getting up from the couch.
Issei : W-Who are you?!
Freed : My name is Freed Sellzen! - he says bowing slightly, having a psychotic smile on his face - I'm a young priest exorcising demons for the sake of humanity! - performed while dancing like crazy.
Issei : Y-Are you a priest? - Issei asks scared.
Freed : Well... I'm certainly not a shitty demon like you. - says with a somber expression.
Issei : Did you do that? - he asks moving away little by little, pointing to the bodies on the ground.
Freed : There was evidence that they were making contracts with demons. Then it was the end, the end! That's why I killed them! - he says with a face of a psychopath - Destroying shitty demons like you is my job. - Draws a light sword and a firearm.
Issei tries to run but ends up getting shot in the knee. Then, he summons his Sacred Gear in an attempt to counterattack. However, it was useless. In the end, he ends up taking a cut from the sword of light on his back, thus falling to the ground.
Freed was already preparing to deliver the final blow, when...
??? : Kyaaaaaa!!! - screams scared with the bodies on the floor.
Issei : A-Are you... Asia? - asks with difficulties, being wounded.
Asia : I-Issei-san, what are you doing here?!
Freed: Do you guys know each other? - he asks again, in a sickly way.
Issei : Sorry, Asia, but I'm a demon! - reveals with regret in his voice.
Asia : N-It can't be...
Freed: Well, it doesn't matter. You're done! - Pointed his sword at Issei ready to kill him.
But before he can do anything, Asia gets between Issei and his sword.
Asia : Father Freed, I beg you, please forgive me! - pleads with a little tears around her eyes.
Freed: Do you have any idea what you're doing? You're protecting a demon!
Asia : Even if he's a demon, Issei-san is a good person.
Freed: Don't talk nonsense to me!! - he shouts while cutting his clothes, thus leaving his breasts on display.
He pins her against the wall, about to abuse her, but...
Issei: Stop!! - he shouts getting up from the ground with difficulties.
Freed : Whoa, you're tougher than I thought. And there? Will you want to fight me? Know that you will die a very painful death, boy!! - he says with his kind sick smile.
Freed lunges at Issei who was injured. Leaping into the air with his sword, he was about to finish off the demon in front of him.
Issei then closes his eyes, expecting to receive the final blow.
Asia : Nooooo!! - screams desperately.
However, the next sound everyone heard was two metals meeting. When Issei opened his eyes again, he found the cause of it.
Issei : A-Akuro?! - asks in shock, seeing him in front of you.
Akuro was in front of him wielding Tensa Zangetsu, stopping Freed's attack.
Akuro : What's up, Issei? Sounds like you got yourself into some big trouble, huh. - says with an empathetic smile.
Issei: What are you doing here? - Issei asks without understanding why he's there.
Akuro : Well, as I say... Ah! Anyway. We... came to save you.
Issei: Huh? "us"? - a magic circle begins to appear in the room, with people coming out of it.
Issei: Guys! - Surprised that everyone was there.
Rias : Sorry for the delay Issei.
Akuro and Freed still had their swords pressed against each other.
Freed: You...!
Akuro turns his attention to Freed.
Akuro: Huh?
Freed : You are a human. Why are you hanging out with demons?
Akuro : Let me see... The reason... I think... Ah, I know! ... It's none of your business! You dumbass! Blehhh! - Shows the tongue to Freed.
Freed : Huhuhu... AHAHAHAHA ! Looks like I'm going to have to rid him of his sins!! - he laughs with a macabre smile.
Akuro: Is it? Why don't you try? I just don't guarantee it will live up to. - confident smile on the face.
Their swords parted, and each goes to one side.
Asia watches Issei apologize to Rias for causing trouble again. Then, Freed starts kicking her. Akuro, seeing this, couldn't hold back, and with the Tensa Zangetsu launches an Avan Strash , which freed barely manages to dodge.
Freed : From what I see, as much as you are working with demons, you still have a little humanity left to protect this young girl.
Akuro : Your...!
Then, Rias and her Nobility realized that fallen angels were approaching, and since they had already rescued Issei, there was no reason for them to remain there. Thus, opening a magic circle to leave. Before they go, Issei asks them to take Asia with them, but Rias informs him that only her Nobility or people allied with her can pass through her magic circle. Begrudgingly, Issei is forcibly taken away by Kiba, as he didn't want to leave Asia behind.
Akuro ( Think ): "See you in the future... Asia!"