In DxD Starting with Sign-Ing in as the Red Dragon

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Rin Tohsaka puffed her cheeks as she glared at the unconscious young girl, Luviagelita. She had to admit that Luviagelita's words had struck a nerve. She never expected that Luviagelita wasn't trying to outdo her in a battle of strength but rather in feminine charm!

Well, it made sense. Now that Rin had Saber's power and future pieces at her disposal, Luviagelita, with only one piece, stood no chance against her. So, Luviagelita had chosen this roundabout method to defeat her.

Watching Akira play with Luviagelita's delicate, silk-clad feet, Rin couldn't help but feel irritated. She pushed Luviagelita aside and took her place.

"Hmph!"

Rin let out a light snort, looking down at Akira with a haughty expression.

"Even though your personality is terrible, you're not a bad choice for a first experience."

"If you ever mistreat Sakura... I'll... I'll bite you to death!" Rin's threat was more cute than intimidating.

"Rin, you're so tsundere right now, and it's adorable. But if I had to give you a score, it'd only be 80 points," Akira replied with a smile.

"Me?!"

"I was just stating my opinion! Who asked you to score me?!" Rin's face turned red with frustration upon hearing the 80-point score.

"Then... should I give you a score after we're done?" Akira chuckled softly. He wasn't about to let go of the opening Luviagelita had created.

"Fine! If my score is higher than hers, tell me. Otherwise... don't bother telling me at all!"

Rin was the type to stubbornly refuse to admit defeat, even if she had truly lost. She didn't want Akira to verbally confirm her loss because Luviagelita would never let her live it down!

Soon, Rin's well-toned, plump thighs drew a sigh of admiration from Akira. "As expected, legs like these are worth playing with for years."

Rin wanted to retort, but considering this was Akira's way of acknowledging her charm, she held back. Instead, she extended her black-stockinged foot toward Akira.

"Rin, did you know?" Akira asked, looking into Rin's blue eyes with a serious expression.

"Know what?" Rin bit her lip softly, replying in a whisper.

"Rin, do you know that legs and feet are two different things?"

"Many people consider a love for legs and a love for feet as the same fetish, but they're actually quite different. Legs generally refer to the thighs, possibly including the calves, while feet refer to everything below the calves."

"So, you're saying... I messed up?" Rin's face flushed with embarrassment. She had mustered the courage to extend her foot, only for Akira to respond like this?

"No, Rin. What I mean is... I like both your legs and your feet~"

"Hmph!"

"You... you're just full of sweet talk."

Akira's expression turned sincere.

"Do you really think I've said this to many people?"

Rin averted her gaze, trying to hide her embarrassment.

"Rin... do you really think I've said this to many people?" Akira's eyes were filled with sincerity.

A demon showing such "sincere" eyes made Rin's heart race, but she instinctively refused to accept it.

"I just think... you're a pervert!"

As Rin spoke, she clung tightly to Akira.

Being a pervert wasn't necessarily a bad thing. In fact, Akira might be one of the more normal demons out there. Feeling Akira's movements, Rin couldn't help but think.

[Ding~]

[Detected energy absorption. High-dimensional succubus bloodline activated.]

[Energy absorption target: Rin Tohsaka.]

[Ding! Energy absorption successful.]

[Host level increased by 8 levels. Current level: 209 (Low-tier Demon King).]

Outside the castle, Saber was reading a book.

Books are the stepping stones of human progress. Modern humanities and philosophy have developed into something entirely different from ancient times. So, on Akira's suggestion, Saber was delving into some books on humanities and philosophy.

Having left the timeless realm of the Throne of Heroes, Artoria felt she still had room to grow.

As she read, a golden magic circle appeared before her.

"Hmm?"

"What's this...?"

Soon, Saber sought out Akira.

Without knocking, Saber barged into Akira's room.

"Akira, Agumon has told me everything."

Saber ignored Rin and looked directly at Akira, who was holding onto Rin's twin tails.

"Saber? Why are you here?"

Before Akira could respond, Rin spoke up.

[Why is she here? And why does she look so calm? Has she... already accepted this as normal?]

[So this is why Saber gave me that advice earlier...]

Rin bit her lip, her eyes rolling back slightly. However, she didn't blame Saber. In fact, she felt relieved.

If Saber had accepted it, did that mean her choice to become Akira's contractor was the right one?

"I came here because I have some questions for Akira."

After answering Rin, Saber didn't hold back. She sat down on the sofa in the room and even poured herself a cup of tea.

After sipping her tea, Saber asked calmly, "Akira, the disappearance of the dimensional rift... that was your doing, right?"

"Yes, it was," Akira admitted.

"Agumon told me that you used a special method to halt the world's natural process of destruction."

"She not only told me that but also explained the current state of our world cluster. If nothing changes, the world will still face destruction in a little over ten days."

Akira nodded.

"To avoid that future, she borrowed something from me."

"Agumon borrowed Avalon from you, didn't she?" Akira asked.

"Yes, Avalon. With it, she should be able to hold on a bit longer."

Saber nodded.

"A month. Agumon said that with Avalon, she could last another month. After that, the existing dimensional rifts will continue to expand, and the world will begin its final destruction within a few days."

"So?" Akira asked, already knowing the answer.

"So, Akira, what do you plan to do?"

"You went through so much trouble to separate this world cluster from the World's Will. You're not just going to let it be destroyed, are you?" Saber looked at Akira seriously.

Akira smiled. "Of course not. I've already saved this world cluster once, haven't I?"

"But in the future..."

"In the future, it'll be the same."

Saber pondered for a moment.

"My recovery speed is much faster than the world's destruction. At most, I'll just need to replenish the dimensional energy every hour."

"As long as we don't encounter an enemy on the level of an Outer God, the world will continue to exist." Akira proposed a rather lazy solution.

However, Saber had to admit that this lazy method was actually feasible.

"Of course, there's a cost to this method..." Akira added.

"The cost is that some people might die due to occasional dimensional rifts."

"Otherwise, this world cluster can continue to exist until a world-level enemy invades."

"I see..." Saber sighed deeply.

For a moment, Saber fell silent.

However, Akira spoke up first.

"Saber, if Agumon came to you, she wouldn't have just told you this. She must have also told you about what I'm currently doing."

Akira knew Agumon's personality well.

"So, Saber, you must know all the details now... right?"

"Yes, I know everything," Saber replied with a wry smile.

As she spoke, Saber removed her silver armor. She untied her hair, letting her golden locks shimmer in the sunlight.

"Saber? What are you doing?"

Rin's eyes widened in panic.

She had just pushed Luviagelita aside, and now Saber was about to take her place?!

"Rin, I'm just fulfilling my contract with Akira," Saber replied calmly.

"Huh? What contract?" Rin swallowed hard, a bad feeling creeping up on her.

"I made a contract with Akira. In exchange for my service, he'll give me a chance to return to the past and redo Britain."

"Huh? That's such a ridiculous contract! Returning to the past? How?!"

Before Rin could finish, she fell silent.

After hearing Saber's explanation about Akira's efforts to repair the world cluster, Rin realized that returning to the past might not be impossible.

"Exactly, Rin. Returning to the past is possible. In fact, we've already done it once."

"Whaaat?!"

Rin's expression turned even more incredulous.

So, Saber had already betrayed her! When she gave Rin that advice, she was already on Akira's side?!

"Then, Saber, you're now..." Rin scrutinized Saber.

She never imagined that the noble Saber would one day compete with her on the same stage.

"Me? I'm just preparing to fulfill the contract."

Saber undid the blue ribbon at her chest, leaving only her white shirt.

"On one hand, I feel I need to make a decision. On the other hand..."

"This world?" Rin was even more confused.

"Rin, those of us with memories of the future are special."

"Only by absorbing our power can Akira truly make this world his."

"In that sense, Akira isn't much different from those dimensional beings. It's just that his methods are far gentler."

Hearing Saber's words, Rin was momentarily stunned.

[So, when he said he liked me, was that also a lie? Am I just a tool for him to conquer this world?]

The thought was disheartening, and Rin's body temperature, which had risen due to the drugs, began to cool.

"Rin. Even without that, I do like you~" Akira held onto Rin's thigh, whispering into her ear.

"Tch! Who needs your liking..." Rin flicked her twin tails.

She didn't want Akira to see her disappointed expression.

If she were truly that disappointed, wouldn't that mean she had fallen for Akira?

Rin would never admit that. At most, she'd admit that Akira was the father of her child!

But she would never admit that she enjoyed being with Akira or that she found their time together deeply satisfying.

Rin refused to admit it for two reasons.

First, it went against her tsundere persona. Second, it would create competition with Sakura.

For these reasons, Rin tsundere-ly rejected Akira's confession.

Seeing Rin's tsundere act, Akira found her even more adorable.

"Right now, I'd give you an 85."

"Didn't I say not to tell me if my score isn't higher than Luviagelita's?!" Rin puffed out her cheeks.

If it weren't for how good it felt, she would have turned around and left!

Saber, noticing Rin's tsundere behavior, shook her head helplessly.

Rin was as tsundere as ever.

Now, Saber understood much more than before. She knew that Rin's tsundere personality was just her awkward way of expressing her feelings.

Just as Saber was about to say something, an unexpected change occurred.

Rin's mana had reached its limit!

"Crap! I used too much mana earlier when I was competing with Luviagelita! I can't maintain my adult form anymore!" Rin panicked.

"Rin!"

Saber noticed Rin's distress and was about to help her escape.

However, the next second, Rin stopped Saber.

"No... Saber, don't!"

Rin's eyes were filled with shock.

She understood now! She finally understood why Luviagelita had gotten such a high score!

According to Luviagelita, her "battle time" was two hours.

But now, Rin had only lasted half that time.

Even excluding the mana she wasted competing with Luviagelita, her mana shouldn't have drained so quickly!

There was only one explanation.

Luviagelita's mana had been completely drained once before, only to be replenished.

In fact, Luviagelita's mana had been drained multiple times!

So that's how it was... No wonder Luviagelita scored so high!

That woman... was too cunning!

Rin bit her lip, holding Akira's face as she stared into his eyes.

If that's how it was, she'd go all out too!

"If that's the case... what's my score?"

As Rin spoke, her mana rapidly diminished.

With her mana depleted, her body shrank back to her young girl form.

Seeing the dazed expression and rolling eyes of the now-young girl Rin, Akira finally gave his fair judgment.

"95 points."

This time, Akira was truly impressed by Rin.

Note: So far this story is published up to chapter 135 on my patreon, go check it out and remember that if we reach the goal of 50 power stones I will publish the next chapter.