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The familiar buzz of his phone startled Rin from his leisurely afternoon nap. It was Rias, her voice tinged with an unusual formality.

"Rin-kun," she began, "Sona and I need to speak with you. Could you meet us at the

clubroom?"

A few minutes later, Rin found himself in the Occult Research Club, sitting across from a

serious-faced Rias and Sona.

"Rin," Rias started, her crimson eyes holding a weight he hadn't seen before, "you've been invited to the Underworld."

Rin's brow furrowed. "The Underworld? What for? Is something going on?"

Sona adjusted her glasses. "A meeting with all the Great Families is being held. Your…

intervention in the Rating Game, and Riser's subsequent state, has caused quite a stir. While many of them initially rejected the idea of a human, especially one not under any peerage, attending such a sensitive gathering, Sirzechs-sama himself extended the invitation. Their protests, though vocal, ultimately ceased. They wish for this matter to be resolved quickly, and your presence, apparently, is deemed necessary for that."

Rin smirked. So, the Gremory and Sitri families, backed by Sirzechs, were pushing for a new outcome. And he was the leverage. Interesting.

Akeno, who had been listening silently, stepped forward, her usual playful smile replaced by a slight pout. "Ara, ara, Rin-kun. Does this mean I can't join you?"

Rias sighed. "Only those specifically summoned, Akeno. It's a formal meeting. You, Rin, and I are the only ones from Kuoh invited, along with Sona, of course, as a Sitri."

Akeno's pout deepened. Rin, seeing her disappointment, decided on an immediate

compensation. He walked over to her, pulling her into a warm embrace.

"Don't worry, my lovely Akeno," he murmured, his lips brushing her ear. "As compensation, I'll stay at your home tonight, and for the entire day before we leave. Just the two of us."

Akeno's eyes immediately sparkled, her pout vanishing as a delighted giggle escaped her lips.

"Ara, ara~ Rin-kun. You know just how to please a girl."

The day before their departure for the Underworld was a blissful blur. In the morning, Akeno and Rin played the roles of doting husband and wife, their interactions tender, their lovemaking passionate and mutually fulfilling. But as night fell, the dynamic shifted, and they slipped into

their more familiar roles of master and slave, Akeno reveling in her complete submission, her moans echoing through the serene shrine as Rin granted her every perverse wish.

The next morning, Rin, Rias, and Sona stood on a platform bathed in an ethereal, purple glow.

As Rin expected, a grand, sleek train, unlike anything found in the human world, pulled into the station. It was exactly as he remembered from the series: the Express to the Underworld.

The journey was smooth, the train humming with quiet power as it sliced through dimensions.

Rin sat beside Rias, their hands intertwined, while Sona sat opposite them, engrossed in a stack of documents. The time passed quickly, filled with casual conversation and Rias's occasional loving glances.

Upon their arrival, the three were greeted by a bustling station filled with various devils and their servants. Sona immediately departed to meet her family, leaving Rin and Rias to navigate the majestic corridors of the Gremory castle alone.

As they entered the grand foyer, a figure emerged from the shadows, her silver hair shimmering under the ornate chandeliers. Grayfia Lucifuge, the ultimate maid, a being of unmatched elegance and formidable power, approached them with her usual serene composure.

"Lady Rias, Rin-sama," Grayfia greeted, her voice calm and professional, her expression one of polite indifference. "Welcome. I shall escort you to where Lord and Lady Gremory await." She turned, her movements fluid and graceful, leading them deeper into the castle. Rias immediately engaged Grayfia in conversation, discussing the journey and the current political climate, completely oblivious to the silent battle raging within the maid's mind.

Rin, however, could read Grayfia's thoughts as clearly as if she were shouting them. Her

outward indifference was a meticulously crafted facade, concealing a tumultuous inner world.

He's here. Rin-sama. I despise this. I despise how I cannot hate him.

Every night. Every single night since that day. My body remembers. My butt… it throbs, demanding his touch. I hate that I crave it. I hate that I start to masturbate, thinking of his hand

on me. It's disgusting. It's perverse. And yet… Sirzechs-sama… my dear husband. He is so busy. So consumed by these political squabbles surrounding Lady Rias's marriage. He barely has time for me. Our intimate moments… they are few. And when we do… he is too gentle. Too considerate. I crave… the rough touch. The dominance. The feeling of being completely taken, completely controlled.

I hate that I think of Rin-sama at those moments. I hate that I find myself comparing them.

Sirzechs-sama loves me. He respects me. He is everything a husband should be. But

Rin-sama… he shattered something within me. Something I didn't even know existed. And I hate that I didn't feel any hate towards him for it. I hate myself for not hating him. I hate that I enjoyed it.

I am not that kind of woman. I am Grayfia Lucifuge, the wife of a Lucifer. I do not fall

for mere lust. I love my husband. That is all that matters.

Grayfia's internal monologue was a twisted knot of self-loathing, burgeoning lust, and desperate loyalty, all battling for supremacy. Her carefully cultivated composure was a marvel, a testament to her iron will. Rin merely walked beside her, a subtle, knowing grin playing on his lips. He didn't need to adjust her affection towards him. If this continued, she would indeed fall for him

completely, almost entirely on her own. That was the agenda, after all. To make Grayfia, the unyielding Ice Queen, succumb to his influence through her own tormented desires.

They reached the ornate double doors of the living room, a space that radiated the dignified power of the Gremory House. Just as Grayfia reached out to open them, Rin, without breaking stride, casually reached out.

SLAP!

His hand connected squarely with her buttock.

Grayfia froze, a silent gasp escaping her lips. An electric jolt, a pure, unadulterated wave of ecstasy, surged through her body, stealing her breath. Her eyes widened, a dazed, blissful expression momentarily replacing her professional mask. In that single, fleeting second, her internal battle was silenced, drowned out by the overwhelming pleasure that made her climax instantly.

Her face flushed a deep, fiery crimson, rivalling Rias's hair. She looked wildly around, then her eyes, wide and bewildered, met Rin's. He stood there, a triumphant, amused grin plastered across his face, his eyes sparkling with knowing mischief.

Grayfia's mind reeled, a new layer of mortification mixing with the lingering, shameful pleasure.

How dare he! And yet… she couldn't deny the thrill.