High school dxd: As Sukuna

"It has everything to do with it." Serafall said with a smile.

"Alastor, You are a Lucifer and a pure one at that because of that you are born to be our king, and we also want to make you the new ruler of underworld. And for every king there has to be queen, right."

"So, you're planning to make Rias my queen, huh?" Alastor said, catching on.

"Yes," Serafall confirmed.

"But there's one thing I still don't understand," Alastor said, his brow furrowing. "Why Rias? You know how Sona feels about me."

Serafall sighed, her tone more serious. "That's because of Sirzechs. Initially, I was going to be your bride," she said with a proud look, as if recalling a fond memory. "But then Grayfia and Sirzechs got involved. I was overruled. We then started looking for someone closer to your age. Rias and Sona were the prime candidates. Since Rias was already engaged, Sona seemed like the obvious choice for you, but Sirzechs pushed for Rias again once she became available."

Alastor raised an eyebrow, surprised by how deeply involved Sirzechs, Grayfia, and Serafall were in his personal life. "So Sirzechs made the final call?"

Serafall nodded, her expression softening as she saw his reaction. "It's still your decision, Al-chan. You can reject it if you want. No one's forcing you into this. We just wanted to make sure you had the best possible options."

Alastor couldn't help but smile at her, that goofy smile on her face making it impossible to be angry with her. Without a word, he moved closer and pinched both of Serafall's cheeks, gently tugging at them.

"Eh? What are you doing?" Serafall mumbled, her words muffled by his grip.

"Stop bullying me, Al-chan," she whined, her voice slightly distorted as she pouted, her usual cheerful demeanor momentarily interrupted by the playful punishment.

Alastor chuckled, letting go of her cheeks but still smiling at her. "That's what you get for trying to play matchmaker without telling me everything."

Serafall rubbed her cheeks, still pouting. "I'm just looking out for you, you know. And besides, you know you can't stay mad at me."

Alastor shook his head, his smile softening. "Yeah, yeah. I guess you're right, Onee-chan."

"Anyway, you should be careful with the Sacred Gear. Don't expose it to anyone unless you absolutely trust them. This isn't something you can just show off to anyone. The fewer people who know about it, the better." Serafall said.

Alastor nodded, "I know, Onee-chan. I'll keep it under wraps. No one else needs to know."

"Good," Serafall replied, her usual bubbly demeanor beginning to resurface as she gave him a quick, reassuring smile. "And remember, if anything does go wrong, if you ever need help, I'm just a call away. Don't hesitate to reach out, okay?"

"Yeah, I will," Alastor assured her, though he knew that in most cases, he preferred to handle things on his own. But still, knowing that Serafall had his back was comforting.

Serafall's eyes sparkled again as she stood up, adjusting her Mahou Shoujo outfit.

"Alright then, I've got to head out. Magical Girl duties and all that!" She gave him a wink before adding, "Make sure to tell So-tan I said goodbye, okay?"

As she began to cast her teleportation spell, Serafall paused for a moment, turning back to him. "Oh, and Al-chan?"

"Yeah?"

"Don't forget to have some fun, too. Life's too short to be all serious all the time," she said with a grin, the lightheartedness in her voice a stark contrast to the heavy topic they had just discussed.

Alastor chuckled softly. "I'll try, Onee-chan. I'll try."

With that, Serafall activated the magic circle beneath her feet, the room filling with a soft glow as the teleportation magic took effect. In a flash of light, she was gone, leaving Alastor standing alone in the quiet room.

[Seems like you really like your sister,] Ddraig, who was watching all this said.

Alastor glanced down at the red gauntlet on his arm, a faint smile tugging at the corners of his lips. "She's one of the few people I actually listen to," he admitted, his voice carrying a trace of affection that he rarely showed.

There was a pause, and then he added quietly to himself, "And she's the one who took me from the forest, after all."

[She's a special one, then,]

"Yeah," Alastor agreed softly, "But enough about that. We have more important things to deal with, Ddraig."

"[Indeed,]" Ddraig responded,"[The world won't wait for you to reminisce, partner. The power you've gained, the secrets you hold—they're going to draw attention. We need to be ready.]

"You know, I am really curious how your power will affect my [Domain Expansion]. Only one way to find out."

∆∆∆

I will only show his domain expansion when he is against a strong opponent so do expect a domain expansion in next chapter.

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