Reborn: Ulquiorra In DxD World

Ulquiorra slowly lifted up his hand and waved it towards the barrier that Sona and others formed.

Boom!!

The barrier shattered like a piece of fragile glass in his hand.

Sona and Tsubaki's jaw almost fell off when they saw this scene. They poured all of their magic power in that barrier and he... he just brushed it off like nothing.

"W-what?!!" Ruruko and Momo exclaimed as their eyes opened widely.

"How?!!" Saji couldn't believe his own eyes.

"but... It is okay if I kill those who threatened Sona's existence as this is also another form of protecting." Ulquiorra said as he took a step forward inside the broken barrier.

Although Sona was shocked at his action, she immediately regain her senses when she heard his words. As a peerage member of a demon king he was naturally strong.

"Wait!!" Sona shouted when she saw Ulquiorra walking towards the Kuoh academy. She immediately followed him inside.

Tsubaki and the rest exchanged glances before they stepped forward and followed Sona.

...

Kokabiel looked at Rias, Xenovia, Akeno, and the rest before he declare, "From here on out, I will start a war! I will take your head as a give! Even if it's only me, I will continue from where we left off! I'm going to show Sirzechs and Michael that we, the fallen angels, are the ultimate beings!"

Suddenly the barrier that covering the whole academy shattered. The pieces of the barrier slowly fade in the air.

Kokabiel was looked at the barrier. He was confused as he didn't have any other comrade.

'Don't tell me some third party meddle in our affair,' Kokabiel frown when he thought this.

"What's happening?" Rias was shocked. She know that the one who was maintaining the barrier was her friend and for the barrier to shattered like that, it only means something happens to her friend, Sona.

"Rias, Did something happen to Sona?" Akeno was also in shocked with the barrier breaking like that. Apparently, She was thinking that same as Rias.

Then she caught the looked of surprise in Kokabiel's face. 'Don't tell me... He also don't know' She was confused. If Kokabiel didn't did it, then who?

"W-what's happening, President?" Issei said while stuttering. He felt something was wrong when the barrier broke.

They heard a footstep behind them. Rias, Akeno, and Kokabiel turned their heads to look where the footstep came from.

...

In the Gremory household in the underworld.

Sirzechs Lucifer and Serafall Leviathan, the two demon king weere sitting next to each other. Opposite of them was a man that looks like in his twenties with an average build, black hair with yellow bangs, and a black goatee. He is the governor general of the fallen angels, Azazel.

"Don't worry about it Sirzechs, I already send someone to deal with it" Azazel assured the two demon king.

The three of them were talking about the happenings in the human world. Kokabiel wanting to start a war.

Azazel came here in the Gremory household because of that. He didn't want to inflicted the whole fallen angels in this mess created by Kokabiel. He also didn't want another war to erupt. He came here to talk things through that couldn't Kokabiel didn't represent the entire fallen angels.

He also understood Sirzechs personality and knew that Sirzechs didn't also want a war to happen. All the three faction, the devils, fallen angels, and angels, suffered a huge casualties in the last great war. The angels lose the God and the devils lose the four original devils kings and other pure blooded devils.

All this time Serafall still have a lively expression like she didn't worry about it at all.

Sirzechs looked at Serafall and saw her expression. He couldn't help but asked, "Aren't you worried about Sona?"

"Hmm?" Serafall looked at Sirzechs and said, "My greatest sidekick Ulqi-tan was beside Sona, so I don't have anything to worry about"

"Huh?! He's in the human world" Sirzechs asked Serafall once again.

"Hmm~" Serfall nodded her head.

"Ulqi-tan" Azazel was confused. He didn't know who was they're  talking about.

"Ulquiorra is the only member of Serafall's peerage" Sirzechs said to Azazel.

Azazel was surprised for a second. He only heard about the rumor about Serafall took someone in her peerage. He haven't verify it as he was busy in his research.

"But... Are you sure he can stop Kokabiel when something bad happens?" Azazel asked him.

"Errr... " Sirzechs looked at Serafall. He actually don't know how powerful Ulquiorra.

"Don't worry about it, Ulqi-tan is the greatest sidekick" Serafall said.

Suddenly an idea came to Azazel's mind. He took out a crystal ball from his pocket and place it at the top of the table in front of them. He looked at the two devils in front of him and said, "Anyway, let's just take a look at what's happening"

Sirzechs and Serafall nodded and focus their eyes on the crystall ball. An image appeared inside the crystall ball.

The three of them take a closer look to see what's happening in the human world.

...

"U-Ulquiorra!!" Rias was surprised when she saw it was Ulquiorra.

Sona and the other also entered the scene. They saw everyone was looking at Ulquiorra.

Ulquiorra scanned them and saw two new faces, Xenovia and Irina. Eventually his gazed fall onto Issei. His gazed made Issei stiff for a second.