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

Chapter 9: Chapter 9: Seeking Truth, The Fallen Prodigy



Inside Lucien's study—

Under Tsubaki's stunned gaze, Sona not only embraced Lucien but… kissed him.

No—

It wasn't just a kiss. She went in deep.

[The President sure is dedicated to getting out of this engagement.]

[But… did she have to go this far?]

Tsubaki wasn't sure what to make of it.

Even though Lucien had set the condition, the way Sona eagerly went for it, turning it into an intense kiss, left her speechless.

...

The one who finally stepped in to break things up was Agumon.

"Alright, Lucien said this should be enough. No need to keep going."

Agumon pushed the two apart, physically separating them.

"I… what just happened…?"

Sona lightly touched her lips, her face flushed, her usually composed demeanor entirely shattered.

Her pink eyes shimmered with a confused, dazed expression, a stark contrast to her usual aloof self.

"It's probably due to my succubus bloodline," Lucien admitted.

"Besides my Leviathan heritage, I also inherited succubus blood."

Lucien felt slightly relieved but also a bit worried as he looked at Sona.

At first, it had felt great—

He enjoyed it.

But then, as soon as the system confirmed his reward and his succubus bloodline fully awakened—

Things changed.

Sona completely lost control, clinging onto him as if she wanted to devour him whole.

With his physical strength still at a low-tier devil's level, he had nearly been crushed by her intensity.

Agumon wasn't lying—Lucien had begged for help to separate them.

"Otherwise, if this continued for a few more minutes, I think I would have passed out."

"Succubus bloodline?... I see..."

Sona's confusion was resolved, but a new question arose in her mind.

"Lucien-kun, could it be that your bloodline has fully awakened? Otherwise, how could a low-tier succubus' blood affect me?"

Determined to prove her theory, Sona decided to take action.

She simply stared at Lucien.

The boy's features were dreamlike, and every subtle movement of his carried a natural charm that made him almost impossible to ignore. The aura he exuded drew people in, making them instinctively want to be close to him.

Thump!Thump-thump-thump!

A strong, powerful heartbeat echoed in her chest.

"It seems Lucien-kun's succubus bloodline has truly awakened."

Sona placed a hand over her chest, her gaze unconsciously flickering between Lucien's lips and his lower body.

Smack!

Realizing where her thoughts were headed, she quickly raised both hands and slapped her own face hard.

"Apologies, Lucien-kun. I need to prepare the battlefield for our next match. Excuse me."

With her flushed face nearly burning, Sona grabbed Tsubaki and hurriedly exited the room.

...

"Lucien-sama, did your bloodline truly awaken?" Nao Hayasaka asked with concern.

"Yes, it did."

"But it wasn't my Leviathan bloodline that awakened—it was my succubus bloodline," Lucien sighed.

"Hmm… I do think you seem more attractive than before," Nao admitted. "But even so, was Sona-sama's reaction really necessary?"

Nao had seen Sona's one-sided aggression. To her, the Sitri heiress had acted like a complete predator.

"It was probably because she came into contact with my bodily fluids."

Lucien understood what it meant to be a succubus.

What puzzled him was the phrase High-Dimensional Succubus—and what the system meant by bloodline restoration.

...

Thirty minutes later.

Sona's preparations were complete. Lucien and Agumon were teleported to the arranged battlefield.

By then, Sona had mostly recovered her composure.

Though she still looked at Lucien with an odd expression, it was far better than her previous state of trying to devour him whole.

"Lucien-kun, are you sure you still want to proceed with this match?"

"Now that your succubus bloodline has awakened, there's no need to continue."

Although a succubus bloodline didn't provide any significant combat advantages, it was still better than having no awakened bloodline at all.

Lucien's intelligence was already above hers, and now with a considerable charm-based bloodline, he had met her minimum requirements for a fiancé.

Thus, Sona saw no further reason to proceed with the third match.

"No, Sona, the third match still needs to happen. Our contract isn't complete yet, is it?"

Lucien genuinely wanted this battle.

It wasn't about proving himself to Sona—that would be childish.

Rather, he wanted to extract benefits from her.

...

"Fine. Since Lucien-kun insists, then let's do this!"

"Show me just how strong this Agumon you've trained really is!"

Per the agreed-upon rules, Sona would fight against both Lucien and Agumon simultaneously.

She radiated battle spirit, her powerful demonic energy kicking up whirlwinds around her.

But truthfully, she wasn't that eager to fight.

She was merely using the battle as an excuse to openly admire Lucien—to take in his every move with unrestrained appreciation.

...

Noticing Sona's predatory gaze, Lucien silently activated Appraisal Eye.

A translucent interface appeared before him.

[Name: Sona Sitri][Level: Lv145 (Upper-Tier High-Class Devil)]

[Attribute Ratings]C = Average at this levelD = Below averageE = Weakest at this levelB = Above averageA = Exceptional (Can barely challenge a higher-tier opponent)S = Overwhelming (Can consistently defeat higher-tier opponents)SS = Dominant (Can overpower a full tier above)SSS = Unrivaled (Can challenge opponents two tiers above)

Strength: C+

Speed: B

Magic Power: B

Endurance: B-

Combat Skill / Magic Mastery: B (Inherited Sitri family techniques, has yet to develop her own original abilities.)

Sacred Gear / Bloodline Abilities: B (Pureblood Devil—Sitri lineage, water-based magic affinity, governs emotions, yet to undergo mutation.)

[Overall Evaluation: High-Class Devil (Elite)]

[Summary: A young prodigy among pureblooded devils, though much of her strength comes from her bloodline rather than personal effort. She has invested most of her talent into intelligence rather than combat.

Residual traces of high-dimensional purified energy remain in her body, indicating her bottleneck is beginning to loosen.]

...

"A High-Class Devil with B-rank stats across the board. That fits Sona's profile."

"The purified energy in her body must have come from our earlier fluid exchange."

After analyzing Sona, Lucien turned his Appraisal Eye toward Agumon.

[Name: Agumon (♀)][Level: Lv135 (Peak High-Class Devil)]

[Attribute Ratings]

Strength: B+

Speed: B

Magic Power: C+

Endurance: B+

Combat Skill / Magic Mastery: S (A Digimon born a warrior—excels in both raw physical combat and learning advanced techniques.)

Sacred Gear / Bloodline Abilities: S (Data bloodline—capable of absorbing and refining energy to evolve. As long as proper resources are acquired, progression is guaranteed.)

[Overall Evaluation: A+ Ranked High-Class Devil]

[Summary: A Digimon with immeasurable potential—arguably possessing the strongest natural talent in this world.

Unfortunately, due to a weakened initial state, even the Phoenix Tears were unable to fully restore her peak form.

If her full potential is ever recovered, her future will be limitless.]

...

"Damn! Agumon is this strong?!"

"World's strongest natural talent? Shouldn't that title be mine, as the protagonist?!"

Out of curiosity, Lucien turned Appraisal Eye on himself.

[Name: Lucien Leviathan (♂)][Level: Lv55 (Early Mid-Class Devil—Promoted after Succubus Bloodline Awakening)]

[Attribute Ratings]

Strength: D

Speed: C

Magic Power: C+

Endurance: C

Combat Skill / Magic Mastery: B (Highly intelligent and diligent, but held back by inherently weak bloodline, limiting potential.)

[Artifact or Bloodline Abilities: SS+]

(1) Sacred Gear - Boosted Gear: The legendary gauntlet of the Red Dragon Emperor, capable of defying natural limits. With this, even a Low-Class Devil can defeat a High-Class Devil by leveraging its power boosts.

(2) High-Dimensional Succubus Bloodline: A mutated bloodline that not only charms living beings but can even enchant inorganic objects.

(3) High-Dimensional Leviathan Bloodline: A mutated Leviathan bloodline. However, due to its foundation being destroyed, it currently cannot manifest any power.

(4) Innate Ability - Purification & Evolution: Grants the ability to purify and evolve all things in existence.

[Overall Rating: SS- Middle-Class Devil]

[Evaluation: A high-dimensional genius whose foundation was destroyed but has since partially recovered, beginning to show signs of his true potential. If fully restored, he will surpass the limits of this world.]

...

After reading through his stats, Lucien remained silent for a long time.

"Destroyed?"

"Interesting… I seem to have stumbled upon a secret that was never meant to be uncovered."

If he had simply been born weak, he could accept it.

But the words 'foundation was destroyed' made it impossible for him to stay calm.

[Ding!]

[Congratulations, Host! Sign-In Activated!]

[Sign-In Tier: Silver.]

[Sign-In Type: Event Sign-In.]

[Sign-In Event: The Fallen Genius.]

[Objective: Find someone who knows the truth behind the destruction of your bloodline.]

...

"Just as I suspected. If my bloodline was destroyed, then someone must have done it on purpose!"

"It's time to find those who have known me since childhood."

Names immediately surfaced in Lucien's mind.

Nao Hayasaka, Serafall, Cattleya, Grayfia, and several members of the Leviathan lineage...

"Come to think of it, whoever did this only destroyed my bloodline, but didn't outright kill me."

"For that, I suppose I should be grateful."

"Once I find them, I'll be sure to express my deepest appreciation—by reducing them to ashes."

"But for now… I need to finish my deal with Sona and get what I came for."

...

Lucien lifted his gaze to Sona, his eyes more serious than ever.

Originally, he had intended to reveal Boosted Gear during their match.

But now, that no longer seemed necessary.

Boosted Gear would be his hidden trump card for use in the shadows.

He needed an alter ego—a separate identity for his clandestine actions.

"Agumon! Go all out!"

"Understood, Lucien!"

Agumon stomped forward, shattering the ground beneath him as he lunged at Sona.

As he accelerated, his body was engulfed in a blinding white light—

[Agumon, Digivolve to… WarGreymon!!!]

...

Thud-thud-thud-thud!

A colossal beast, over ten meters tall, thundered across the battlefield!

Its powerful leg muscles radiated sheer prehistoric might.

Every step shattered the ground beneath it!

Every movement caused minor earthquakes!

Lucien quickly analyzed WarGreymon's updated status.

[Name: WarGreymon (♀)]

[Level: 135 (High-Rank Ultimate-Class Devil)]

[Attribute Ratings]

[Strength: B+ → A+]

[Speed: B → A]

[Magic Power: C+ → B+]

[Durability: B+ → A+]

[Martial Arts & Spell Mastery: S]

[Artifact or Bloodline Abilities: S]

[Overall Rating: S- Ultimate-Class Devil]

[General Assessment: Classified]

...

Feeling the tremors beneath her feet, Sona adjusted her glasses.

"I see now."

"So this is why you've been collecting monster corpses. This is why you challenged me, Lucien-kun."

Sona smiled.

For the first time, she found herself genuinely enjoying the match.

She admitted it—she had underestimated Lucien.

With a partner like WarGreymon, he was absolutely worthy of being her fiancé!

Upon realizing this, Sona no longer cared about winning or losing.

In fact, she wanted WarGreymon to defeat her.

The stronger her fiancé, the more prestigious she would be!

Why had she wanted to annul the engagement in the first place?

Because she believed Lucien's bloodline was weak, offering no promising future.

But now she finally understood—

Lucien had spent all this time building up WarGreymon!

Lucien had just proven the results of his hard work.

If he was serious about winning, then so was she!

"Haaaaah!"

The Sitri family's signature spell formations activated, converting Sona's magic into raw water energy.

A massive sphere of water formed in the air before surging toward WarGreymon!

...

WarGreymon didn't even bother with a proper defense.

She simply lowered her head and aimed her black horn at the incoming attack.

Splurt!

Her sharp, obsidian horn tore straight through the water sphere, dispersing it instantly.

The armor beneath her horn absorbed any remaining impact, ensuring she took no damage.

Opening her massive maw, an overwhelming inferno began building within—

[Mega Flame!!!]

WarGreymon had no intention of a prolonged battle.

Instead, she had opted for a decisive counterattack!

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