DXD: The Villainous Devil Signs-in into the Mash-up Anime World

Just as they were about to reach the school gate, Lucius suddenly halted.

"Lucius-kun, is something wrong?" Seekvaira asked curiously.

"It's nothing. I just spotted an old acquaintance."

Lucius confirmed that his eyes were not deceiving him.

"An acquaintance?"

Seekvaira followed Lucius' gaze.

She saw a beautiful black-haired girl in a uniform from another school.

Amano Yuma.

Or rather—

Fallen Angel Raynare.

"Lucius-kun! Long time no see!"

Amano Yuma ignored Seekvaira and threw herself into Lucius' arms, pressing her lips fervently against his.

Lucius initially considered resisting.

However, after observing Seekvaira's reaction, he decided to add fuel to the fire.

And so—

He responded passionately.

Watching the man and woman entangled before her, the Grand Duke's daughter was completely dumbfounded.

What the hell!? Cuckoldry?!

The events leading to this moment had begun a day prior.

One day earlier.

Raynare received an order from the Fallen Angel headquarters.

[Mission Directive: Become Lucius Leviathan's servant or establish a romantic relationship with him.]

[Mission Reward: Dragon King Sacred Gear - "Dark Domain"]

[Mission Sequence: Zero.]

"Mission Sequence… Zero? Impossible!" Raynare's crimson eyes widened.

A Sequence Zero mission meant that it had been issued personally by Azazel, the Governor-General of the Fallen Angels!

She had always revered Azazel, even harbored feelings for him.

And yet—

This was how he treated her?

Raynare had confessed to Azazel more than once, only to receive cold responses:

"Sorry, I have no interest in women."

"Women? To me, they pale in comparison to Sacred Gears."

"Raynare, I'm too old to be interested in romance."

"Raynare, I don't want to see you at headquarters anymore. Go to Kuoh Town."

...

Despite this, she had never given up hope. She believed that if she made enough contributions and obtained a powerful Sacred Gear, she could return to headquarters and prove her worth to Azazel.

But this mission directive, and the reward attached to it, shattered her completely.

"Dragon King Sacred Gear—Dark Domain."

A Sacred Gear containing one-quarter of the soul of the Black Evil Dragon King, Fafnir.

Raynare knew exactly how valuable this was.

Even if she completed ten times the number of missions she had in the past, she still wouldn't be able to exchange for such a treasure!

And Azazel was just… giving it away?!

Raynare wasn't a fool.

This wasn't a "mission." It was a gift.

Because whether she became Lucius' servant or his lover, she would never be able to return to the Fallen Angel faction!

If she couldn't return, then neither could the Sacred Gear—

Which meant that both she and the reward were simply pawns in Azazel's political maneuvering!

Realizing this, Raynare felt her world collapse.

Did Azazel truly see her as so worthless?

Her admiration—

Her devotion—

Her unwavering loyalty—

Was it all meaningless?

The illusion she had built up over the years shattered.

"Bastard!"

"That damnable Governor-General!"

"The first of the Fallen Angels to betray God? Ha! Just a lust-driven degenerate who fell because he couldn't keep it in his pants!"

"A traitor who would sell out his own kind for personal gain!"

As she vented her rage—

She suddenly noticed two familiar figures standing behind her.

...

"Mittelt? Kalawarna? When did you get here?"

Raynare's heart skipped a beat.

But then, realizing her situation, she regained her composure.

What did it matter if they overheard? She was already being discarded, anyway.

"Never mind when we got here," Mittelt said with a smirk. "Raynare, mind telling us what mission you just received?"

"What business is it of yours?"

Raynare frowned.

"Oh, it's very much our business."

"Because—" Kalawarna stepped forward, her long legs accentuated by black stockings. "—we received a Sequence Zero mission as well."

"What?! You too?!"

Raynare's eyes widened in shock.

"That's right. Azazel has gifted us to Lucius Leviathan as well."

Mittelt raised her hand, displaying the mission directive on her communicator.

"My reward is the Dragon King Sacred Gear 'Black Flame of the Evil Dragon.'"

"Kalawarna's reward is the Dragon King Sacred Gear 'Dragon Prison.'"

"Let me guess—yours is 'Dark Domain'?"

Raynare hesitated for a moment, then revealed her own mission.

"Yes. My reward is Dark Domain."

"But… Mittelt, why did you just call him 'Lucius-sama'? Don't tell me…"

"Ah~ you mean this?"

Mittelt shrugged, then began explaining everything.

...

Ten minutes later, Raynare finally understood the situation.

"So you've been acting as the intermediary between Lucius and Azazel?"

"That's right."

"Honestly, Raynare, I'll tell you something shocking. My mission points from working with Lucius-sama have already allowed me to purchase half of a Dragon King Sacred Gear."

"Cough—!"

Raynare nearly choked.

One year of acting as a mere middleman—

Had earned Mittelt more than five times the points Raynare had accumulated over her entire career?!

She clenched her fists.

It was only now that she realized just how deeply Lucius Leviathan had hidden himself.

"Lucius Leviathan… Just what kind of person is he?"

Mittelt pondered for a moment before giving a response she considered fair.

"Lucius-sama?"

"He's handsome and incredibly smart."

And so.

The next day, Raynare dressed in a JK uniform, assuming the identity of Amano Yuma, and waited at the gates of Kuoh Academy.

Watching Lucius from afar.

Seeing his striking features—

Her heart raced.

The weaker one's resolve, the more vulnerable they were to the allure of High-Dimensional Lilim Blood.

The stronger one's emotional attachment, the easier it was to change that attachment into something else.

Raynare admired strength.

She was drawn to power.

If someone was strong enough, they didn't need to be handsome.

But if they had both strength and beauty—

That was perfect.

Lucius—

Was perfect.

Truthfully, she was quite inexperienced when it came to love.

And so, she followed her instincts.

Servitude was out of the question.

What she truly wanted—

Was to be by his side.

The best way to ensure that?

Make him hers.

Thus, the moment she saw him—

She kissed him

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