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

Chapter 4: Chapter 4: First Love Acquired



While Lucien studied Yuuma Amano, she was also studying him.

So this is the target Lord Azazel wants me to gather data on? He looks pretty handsome… too bad he's weak. Oh well, I just need to complete my mission and get a sample of his bodily fluids~

Determined to complete her task, Yuuma Amano decided to go all in.

"Even though Lucien-kun doesn't know me, I've actually known about you for a long time!"

Her cheeks flushed an enticing shade of apple red.

"You know me?"

Lucien wasn't sure which version of himself she was referring to.

"That's right! Lucien-kun, you're the top student at Kuoh Academy, and you're famous even at other schools!"

She lightly tucked her hair behind her ear, perfectly embodying the image of a shy girl mustering her courage while trying to present her best self.

"Then, Miss Yuuma Amano, why are you looking for me?"

Lucien's tone remained calm.

"Lucien-kun… I'm here to confess my feelings!"

Yuuma Amano took on the classic "gathering courage to confess" pose.

"I… I really like Lucien-kun…!"

"Lucien-kun, will you go out with me?!"

As she finished speaking, Yuuma Amano rushed forward.

The pure black-haired beauty wrapped her arms around Lucien's neck and sealed her confession with a kiss.

Lucien didn't resist.

He wanted to conduct an experiment.

Lately, he had noticed something strange about the blonde maid at his home.

Late at night, she would leave her door open while using chantless water magic—calling his name while doing so.

During the day, after meals, she would collect his utensils and lick his spoon.

Every time he came out of the bath, his underwear would mysteriously disappear.

Lucien needed a control test to determine whether his succubus bloodline had awakened or if his maid was just a perverted stalker.

Yuuma Amano's violet eyes glowed softly as she melted into the kiss.

Her grip around Lucien's neck tightened, as if she wanted to absorb him into her body.

"Mmm… mmm…"

Without realizing it, she completely lost herself in the moment.

Several minutes later, Lucien pulled away.

Looking at Yuuma Amano's dazed expression and flushed cheeks, he arrived at his conclusion.

It was definitely his succubus bloodline awakening.

"My apologies… I just really like Lucien-kun too much…"

Yuuma Amano lowered her head, her entire face burning red.

She was genuinely flustered.

She hadn't planned to go that far, but somehow, she had naturally responded and completely immersed herself in it.

Weren't you just here to collect a fluid sample?

Lucien, pleased with the results of his experiment, nodded.

"It's fine. I like you too, Yuuma-chan. From today onward, we're a couple."

"As my girlfriend… can we do that again?"

Lucien proceeded to stage two of his experiment.

"I… I…"

Yuuma Amano hesitated.

She instinctively wanted to accept.

But something felt off.

Lucien smiled slightly and gently lifted her chin before she could finish thinking.

This time, Lucien took the initiative.

Several minutes later, Yuuma Amano collapsed into his arms, her entire body trembling.

She looked at him with completely different eyes—soft, affectionate, and filled with longing.

"Yes! Lucien-kun, since we both like each other, let's date~"

Yuuma Amano gazed at him with pure admiration.

It was no longer about the mission.

She genuinely wanted to be with him.

This feeling was addictive.

Being close to Lucien reminded her of why she had fallen from grace in the first place.

Wasn't this exactly the kind of free, passionate, and exhilarating life she had always longed for?

"Yuuma-chan, since we're boyfriend and girlfriend now, I look forward to our time together."

With the experiment completed, Lucien embraced her.

Her delicate fragrance filled his senses, bringing a wave of comfort.

A scent that was both innocent and alluring, uniquely Yuuma Amano.

[Ding!~]

[Sign-In Completed!]

[Sign-In Rank: Purple.]

[Sign-In Type: Event-Based.]

[Sign-In Event: First Love Acquired.]

[Reward Obtained: Secret Sword Techniques.]

[Secret Sword Techniques: Taken from Ikki Kurogane's school of swordsmanship, consisting of seven powerful moves that can adapt to almost any combat scenario.]

[Host's version of the Secret Sword Techniques is not limited to swords. Even if the host is unarmed, using only claws, hands, or even their own body, they can still unleash the true essence of these techniques.]

"Secret Sword Techniques… that's a pretty strong reward."

"Still, rather than sword techniques, I'd prefer to enhance my overall strength."

Devils relied on overwhelming magic power and innate magical traits, making brute force their dominant battle style. Sword techniques weren't exactly Lucien's preference.

Of course, having them was still better than not.

It wasn't ideal to rely solely on long-range attacks—learning some melee skills was necessary.

In the original story, Diodora Astaroth was proud of his powerful magic, yet he was utterly crushed by the protagonist after he unlocked Balance Breaker.

Brute force? Could anyone outmatch the Boosted Gear's brute force?

After that, it was time for the date.

Yuuma Amano had originally intended to just kiss and leave. It was supposed to be a simple mission.

But now, she found herself actually going on a date with Lucien.

Because she simply couldn't say no to his requests.

They went to several places.

At a café, Yuuma Amano stared at Lucien's used straw, swallowing hard.

At a lingerie store, she took the initiative, pulling Lucien into the fitting room and asking him to choose the style he liked best.

At the movie theater, under the dim lighting, Yuuma Amano reversed her position on the seat, straddling him as they intimately "conversed."

Finally, at the bell tower, bathed in the golden hues of the sunset, Yuuma Amano's emotions surged, and she threw herself into Lucien's arms, locking lips with him for half an hour.

"Lucien-kun!~ Let's go on another date after school tomorrow!"

She waved goodbye with a radiant smile.

Today, she felt completely satisfied.

Lucien watched her leave, then looked at his own hands.

"I have no idea when my succubus bloodline actually awakened."

"It was supposed to be just a trace, but the effect is ridiculously strong."

"Maybe I've been going about things the wrong way from the start?"

"If I had made Serafall fall for me as a kid, I could have been living off the Demon King's wealth by now."

Shaking off the thought, Lucien turned toward the dark corner of the street.

"You've been watching for a while. Why don't you come out and say hello?"

At his words, a blond youth stepped out from the shadows.

"Lucien Leviathan, what did you do to the Fallen Angels' boss?"

The blond youth raised his gun, ready to fire at a moment's notice.

That gun could shoot light bullets—holy weapons specifically designed to kill devils.

"Freed…."

Lucien narrowed his eyes as he spoke the man's name.

[Ding!~]

[Congratulations! Host has triggered a Villain Sign-In!]

[Sign-In Rank: Purple.]

[Sign-In Type: Event-Based.]

[Sign-In Event: The Stray Priest's End.]

[Objective: Kill the Stray Priest Freed to eliminate the risk of your high-dimensional succubus bloodline being exposed.]

"A system mission? Perfect timing."

Lucien walked toward Freed at a steady pace.

The moment he said Freed's name, he had already decided to kill him.

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