DxD: Transfer Student!

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...

In the wee hours of the morning, Miku suddenly woke up, groggily sitting up in bed.

"Ugh, what's wrong?" Ichika, who was sleeping next to her, mumbled sleepily.

"Gotta use the bathroom..." Miku replied. She had drunk a bit too much water before bed.

After relieving herself, she stumbled back towards the bedroom, her mind still foggy.

In her hazy state, Miku completely forgot that Badr was sleeping in her room and that she was supposed to return to Ichika's room. Instead, she instinctively walked back to her own room, as she usually did.

Even with her eyes closed, she could find her way to her soft bed. Overwhelmed by drowsiness, Miku crawled onto the bed and, upon encountering a warm body, instinctively wrapped her arms around it.

Ichika's sleeping naked again.

The thought flitted through her mind before she drifted back to sleep.

As dawn approached, Badr emerged from his Meditation state. 

He had become somewhat engrossed in his first attempt at simultaneously Meditating both holy and demonic powers. Otherwise, he would have been up and training long ago.

He could now hear noises from outside. It was probably Yotsuba or Nino, up early and bustling about.

Just as he was about to get up and join them, Badr sensed a familiar presence beside him.

His eyes narrowed as he turned his head, his gaze falling upon a soundly sleeping Miku.

Badr was momentarily speechless as he took in the sight of Miku Nakano in her blue pajamas, the collar wide open.

How did she end up in his bed?

Well, it wasn't exactly his bed. It was Miku's bed.

Then why was he in Miku's bed?

Hmm... His mind, unusually fuzzy, quickly pieced together the events of the night before, leaving him silently amused.

Glancing at Miku's exposed collarbone, Badr pursed his lips.

Miku really didn't treat him like a stranger.

As he reached out to wake her, Miku stirred on her own, rolling over onto her back, her clothes disheveled.

Badr: "..."

Perhaps it was best not to wake her up just yet?

However, contrary to his expectations, Miku's eyes fluttered open. Upon seeing Badr lying beside her, staring back at her, her eyes widened in shock.

Would she scream?

Just as that thought crossed his mind, Nino Nakano's voice called out from the hallway.

"Badr, wake up."

Without waiting for a response, the assertive Nino pushed the door open and walked in. "I made breakfast. Come down and eat."

Badr reacted instantly, grabbing the blanket and pulling it over Miku, shielding her from view as he held her close.

Maintaining his composure as he looked at Nino, who had barged in without knocking, Badr replied calmly, "...Alright, I'll be right there."

Nino blushed slightly as she noticed Badr's bare shoulder peeking out from under the blanket, realizing her own blunder.

She hadn't expected him to be sleeping naked in someone else's house...

He really didn't treat himself like a stranger...

Badr simply explained, "Sorry, I can't sleep with clothes on."

...

Nino averted her gaze, feeling a strange flutter in her chest at the sight of Badr like this.

She had already developed a certain fondness for him. In her eyes, Badr was both mysterious and powerful, yet he lacked the aloofness that often accompanied such traits.

It was hard to imagine a Devil from legends being like Badr.

Not only was he not cruel or cunning, but he patiently acted as their tutor, taking their education seriously.

In Nino's mind, Badr should have been a super-powered being at the top of the human hierarchy, controlling everything with his supernatural abilities. Yet, he behaved like an ordinary person.

But the more he acted this way, the higher her regard for him grew.

Hiding within human society, appearing as an average person while secretly possessing extraordinary powers and risking his life to save the city, that kind of persona was incredibly cool!

At this moment, Nino's admiration for Badr was akin to a young fan's adoration for a superhero.

Meanwhile, Badr felt Miku trembling in his arms. She was clearly caught off guard and was now extremely nervous due to Nino's unexpected appearance.

From the living room, Ichika suddenly called out towards the upstairs, "Nino, have you seen Miku? She's up early today too..."

"Miku? Haven't seen her. Maybe she went out for breakfast."

Nino's attention was diverted by Ichika's call, and she waved at Badr.

"I'm going downstairs. Hurry up and get ready!"

With that, she left the room and closed the door behind her.

Hearing her footsteps descending the stairs, Badr pulled back the blanket. Miku was curled up in his arms, still trembling.

"She's gone now."

Miku immediately sat up, her face flushed crimson. She looked so flustered and adorable that Badr couldn't help but find it both endearing and amusing.

"I..." Miku stammered, embarrassed to the point where her face felt like it was on fire.

"It's okay. You must have wandered into the wrong room last night, right?" Badr said with a gentle smile. "It's my fault too. I was sleeping too soundly to notice."

"Uh, I think that's what happened. I'm sorry..."

As Miku spoke, her eyes fell upon Badr's well-defined, toned upper body. She quickly covered her eyes in embarrassment, but her fingers were spread wide enough for him to see her bright eyes peeking through.

Badr chuckled at her reaction. He didn't mind being seen by Miku. After stretching, he got up, and with a flash of black light, he was clothed in garments woven from demonic power.

"I'll head out first. You can get dressed."

Badr said with a smile and turned to leave. But Miku, her face still flushed, called out to him.

"Um... about last night..." she mumbled, her voice barely audible. "Please don't tell anyone..."

Badr smiled warmly. "Understood. It's our little secret, right?"

As she watched the boy with the gentle smile leave the room, Miku finally couldn't hold back anymore. She collapsed onto the bed, writhing like a caterpillar, unable to shake off the overwhelming embarrassment.

For Miku, who was already easily flustered, what had just happened was a social death sentence...

Fortunately, Badr's understanding demeanor offered her some comfort.

Burying her face in the pillow, Miku murmured, "Badr..."

...

Downstairs in the living room, all five sisters were gathered together.

After finishing breakfast early, Badr, as usual, had them review their study materials to identify any areas where they were struggling.

The five sisters sat around the table, working on practice questions, while Badr began his daily physical training in their backyard.

He had woken up late that morning, having been absorbed in his Meditation

He knew that King Sword's amplification was directly proportional to his body's ability to withstand its power. Therefore, in addition to Enhancing his demonic power, Badr never neglected his physical conditioning.

Now, without Rias and the others to assist him in his training, Badr increased the intensity of his workouts.

The quintuplets watched from inside as Badr performed push-ups in the yard. After hundreds of regular push-ups, he switched to one-handed push-ups, and then, after another few hundred, he balanced on a single finger...

Following the push-ups, Badr moved on to handstand push-ups, sit-ups, and other exercises. Not only did he refrain from using his demonic power, but he also specifically created a magic circle to generate a multi-gravity environment.

The sheer intensity of his training left the girls speechless. They could barely focus on their review, their gazes constantly drifting towards Badr.

"That's insane..."

Nino Nakano muttered in awe after witnessing Badr's incredible workout.

"He doesn't look that muscular, but he's so strong. How will anyone be able to handle him after marrying him...?"

Everyone: "...??"

Nino's bold statement sent a wave of heat through the girls' faces.

Nino, realizing what she had said, quickly tried to explain, her heart pounding in her chest. "Ah, no, I mean... It's not what you think!!"

She struggled to come up with a convincing explanation.

Soon, Badr finished his training and returned to the house. After taking a quick shower in the bathroom, he joined the girls and began reviewing their progress.

After examining their work, he looked at them with a calm expression.

"W-what's wrong?" Ichika asked nervously.

"...There are quite a few mistakes," Badr admitted frankly.

The quintuplets were immediately embarrassed.

They had been too distracted by Badr's training to fully concentrate on their studies...

But they would never admit that!

"Ha, haha... the questions were really difficult..." Ichika chuckled awkwardly.

Badr didn't press the matter, his tone remaining gentle. "Let's start the lesson then. We only have today and tomorrow left. Time is of the essence."

"O-okay..."

Seeing that Badr wasn't upset with them, the quintuplets felt a pang of guilt.

Badr was clearly putting in a lot of effort to teach them, but they seemed to be constantly disappointing him.

A wave of remorse washed over the sisters, and they forced themselves to focus, listening intently to Badr's explanations.

In truth, all five sisters were intelligent. Once they switched into serious mode, their learning progressed remarkably smoothly.

While Badr's altered common sense played a significant role, the key factor was their newfound determination.

"Very good."

At the end of the day's lesson, Badr praised them softly. He was surprised by how quickly they had grasped the material.

It was rare to hear Badr compliment them, and everyone was visibly pleased.

"I didn't expect us to catch up on the entire day's worth of material," Itsuki said happily.

"Yeah, me too. I felt surprisingly focused today," Yotsuba chimed in. She had even managed to understand concepts that usually gave her trouble.

...

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