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

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Under Sona's watchful gaze, Akira and Seekvaira exchanged a polite handshake.

"Akira, Seekvaira is a high-class demon who will be staying in Kuoh Town from now on," Sona explained. "As per tradition, when a new high-class demon arrives, they must greet the other high-class demons stationed here. Now that you've met, Akira, you can go attend to your own matters."

Sona instinctively didn't want Akira and Seekvaira to get too close. She felt an unprecedented sense of crisis around Seekvaira!

The two of them weren't in a competition of differences but rather a competition of similarities. In terms of demeanor, Seekvaira was much like her—a calm, composed, and glasses-wearing young woman. In terms of strength, Sona was no match for Seekvaira. As for family background, Seekvaira's lineage as a daughter of the Bael family was no less prestigious than Sona's, and Sona even had a slight disadvantage due to her sister's annulled engagement.

The only area where Sona outshone Seekvaira was intelligence.

...

Sona's thoughts were optimistic.

However, Seekvaira's reason for transferring to this school was Akira. There was no way she would let him leave so easily.

Seekvaira was known for her cool and rational personality, and she wasn't particularly skilled at interacting with men. But even if she wasn't good at it, she still needed to make an effort. How else could she confirm her feelings?

"Akira, I just arrived at this school. Could you show me around?" Seekvaira proactively invited Akira.

"Sure, where would you like to visit first?" Akira was more than willing to spend time with Seekvaira.

On one hand, he could attempt to complete the "Steal the Fiancée" quest. On the other hand, interacting more with the storyline might trigger new quests. Lastly, there was Akira's personal interest. Achieving the rare feat of winning over three princesses of the underworld seemed like a worthwhile challenge.

"Where to start? Let's decide as we go," Seekvaira said, her black-stockinged legs moving gracefully as she prepared to leave the student council room.

...

"Wait!"

Sona called out to stop the two just as they were about to leave.

As she had mentioned earlier, her intelligence surpassed Seekvaira's. So, after noticing Akira's attitude, Sona had an epiphany!

It's not that Seekvaira has taken an interest in Akira first—it's that Akira wants to get closer to Seekvaira! Akira... wants to bring the Bael family's princess into his circle!

Once she understood this, Sona knew what she had to do.

She would—help Akira win over Seekvaira!

...

"Sona, is there something else?" Seekvaira asked, puzzled. The enrollment process should have been completed by now.

"Nothing much. I just thought it would be impolite for Akira to leave without having some tea," Sona said, pulling out a set of exquisite teacups.

"Akira, please."

Using her magic to speed up the process, Sona brewed a fresh pot of tea in under thirty seconds.

As they sipped their tea, Akira communicated with Sona through a magical artifact.

Sona, what are you up to?

Don't worry, Akira. I understand your goal now. I'll help you win her over.

"..."

Akira was speechless.

The combination of carrots and sticks was truly powerful. Even the usually composed Sona was now actively helping him expand his harem?

Akira, just watch me. I believe she already has a faint affection toward you. What I need to do is help her clarify her feelings.

...

After finishing her conversation with Akira, Sona picked up the teacup he had just used.

"Miss Sona, what are you doing?" Seekvaira raised an eyebrow.

Had she just seen Sona bring Akira's used teacup to her lips?

"I'm drinking tea," Sona replied, acting as if Seekvaira was overreacting.

"But that's the cup Akira just used."

"I know. I'm just trying to avoid waste."

"If you're worried about waste, shouldn't you give it to me?"

"..."

"Actually, I'm feeling a bit thirsty myself."

With that, Seekvaira snatched the teacup from Sona's hands and drank its contents in one go.

Sona looked like she wanted to say something but quickly regained her composure and turned back to Akira.

"Akira, since you're here, could you help me with some paperwork?"

"No, that won't be necessary."

"Akira already promised to show me around the school, so we'll be leaving now!"

Seekvaira quickly interjected, grabbing Akira's arm and pulling him out of the student council room.

Sona watched the flustered Seekvaira and couldn't help but shake her head.

Are all girls this foolish when they're in love? Seekvaira should be able to recognize some of her feelings now. Speaking of which, since I've provoked Seekvaira, should I provoke Rias as well?

Sona began to seriously consider the idea.

...

And so, Akira and Seekvaira spent the next few hours wandering around Kuoh Academy.

Throughout the tour, Seekvaira's attention remained firmly on Akira.

She had transferred to this school for one reason—to confirm her feelings.

During her earlier test of Akira's abilities, Seekvaira had noticed something unusual in her heart. It was... the feeling of falling for someone.

However, she wasn't sure if it was Akira himself she was drawn to, his Boosted Gear, or simply the fact that he shared her interest in mechanical creations.

The distinction mattered to her, but not to Akira.

Thanks to his high-dimensional succubus bloodline, even if someone only fell for a part of him, it would eventually transform into love for all of him.

After more than two hours, Seekvaira and Akira had explored every corner of Kuoh Academy.

"Akira, I'll be transferring into the third year. I heard you're in the second year. Could you tell me which class you're in?"

"Akira, does the school cafeteria serve lunch and dinner? Do students bring their own meals, or can they eat at the cafeteria?"

"Akira, I heard you're the top student in your grade, and Sona is also first in hers. Have you two ever compared your grades?"

...

By the time school ended, Akira and Seekvaira were walking toward the school gates together.

During their time together, Seekvaira had asked Akira countless questions.

Though she still hadn't fully clarified her feelings, she had come to three realizations.

First, Akira was exceptional and highly intelligent.

Second, she wanted to stay by his side and didn't want to be apart from him.

Third, she didn't like the idea of other girls getting close to him.

After considering everything, Seekvaira concluded that she might... possibly... perhaps... be falling for Akira?

Should I ask Akira out for a meal tomorrow and continue our... date?

Though her goal was to confirm her feelings, Seekvaira wasn't in a hurry. She found herself enjoying this ambiguous state, where she could stay close to someone who intrigued her.

However, unexpected events always seem to arrive before tomorrow.

Note: So far this story is published up to chapter 60 on my patreon go take a look and remember if you reach 90 stones of power I will publish the next chapter.