Crossover-Isekai 222

Chapter 222 Contractual Metamorphosis*


Edited by: Kanaa-senpai


 The ritual was unlike anything Rias had ever experienced—a surge of electrifying, maddening sensations that left her reeling. The intensity was intoxicating, a sublime ecstasy that felt as though she were transcending the physical realm entirely. Her long, shapely legs trembled uncontrollably, arching upward as her toes curled in sheer, wordless pleasure.


 Meanwhile, Aki was utterly captivated by the intense reactions pulsing from the Great Dragon within her. He felt the succulent, rhythmic pull of her “Flower Valley,” as if it were alive, milking every inch of his intrusion. The layers of velvety, honey-slicked walls pressed against him, grinding with an insatiable friction that shattered his resolve. With a sharp intake of breath, he surged forward, his thrusts powerful and relentless—a warrior storming a fortress.


 Though Rias still felt the phantom stings of initial pain, the raw, unbridled force of Aki’s movements transformed that discomfort into pure, searing bliss. She gasped, her cries escalating into a rhythmic, desperate melody. Every time Aki plunged deep, his member’s ridges raked against her most sensitive core, eliciting waves of tremors that forced her to lift her flushed, supple hips to meet him. She clung to him with a frantic intensity, her nails digging into his shoulders, unaware of the marks she was leaving behind.


 They were locked in a feverish, inextricable rhythm…


 Aki’s member continued to surge in and out of her moist, yielding warmth. The frantic, wet sounds of their union filled the air, echoed by the shimmering, lascivious light of the magical circle beneath them.


 Squish… Squish…


 ”Ah… I can’t… I’m going…!” Rias cried out, her voice straining with intensity.


 After a frantic five minutes, Rias finally surrendered, her beautiful body collapsing limply into the center of the magic circle. Aki, watching the flushed, naked girl beneath him, felt an overwhelming sense of triumph. He gripped her full, firm breasts, thrusting with renewed vigor.


 ”Mm… again… ah…!” Rias gasped, her body arching.


 Rias’s skin glowed as she shuddered violently, a deluge of Yin Essence spilling forth. A wave of warmth surged from her core, flooding her limbs as she crested an unprecedented peak. She arched her back, her body leaving the floor in a desperate, trembling bow. She let out a muffled, frantic whimper, her throat tight with pleasure.


 Before the haze of ecstasy could fully fade, she felt Aki turn her over. Her senses were still swimming, leaving her no choice but to surrender to his lead. Aki knelt in the center of the circle, and Rias, obedient as a lamb, pressed into the floor before him. As he aligned himself with her and thrust home, she let out a sharp cry, forcing herself to focus, to cooperate for the sake of the contract’s success.


 Slap…

 Slap…

 Slap…


 Aki gripped her slender waist, his hips driving against her firm, elastic curves. Each pull and plunge brought a depth of intimacy she had never known.


 ”Ah… mmm…” Rias moaned softly.


 Rias’s eyes were unfocused, her crimson hair a chaotic mess against her pale skin. She moved in sync with him, her own hips tilting and swaying to meet his rhythm, the sound of their collision echoing in the room.


 ”Ah… ah… I can’t… it’s coming again… ah…” Rias panted.


 The wave of release hit her anew. With a final, sharp shudder, her head tilted back, her hair flying, as she reached the summit once more. A stream of warm, viscous essence escaped from their joining, trailing down her long, shapely legs to pool upon the glowing pink light of the magic circle.


 As the aftershocks faded and her consciousness slowly returned, the weight of the moment hit her. Her face burned crimson, and she didn’t dare look toward the surrounding peerage. She squeezed her eyes shut, breath hitching. “Ko… Koaki… hurry up… finish it… we have to… complete the… contract…”


 Looking down at the alluring schoolgirl and up at the surrounding girls—their eyes filled with a mix of longing, curiosity, and desire—Aki let his control slip entirely.1 Encouraged by the magic of the circle, his Great Dragon surged deep, drowning her sacred inner sanctum in the last of his long-held essence.


 ”Ugh… so much… so hot…” Rias breathed, her neck arching like a swan’s.


 Rias arched her neck, her emerald eyes reflecting a pair of soft, pink heart-shaped phantoms. Simultaneously, the magic circle erupted in a brilliant flare of mana, encasing them both in light. When the glow finally dissipated, the intricate, swirling markings on the floor shattered into light-dust.


 In the dim room, the girls—gifted with the lineage of devils—could see clearly. Amidst the heavy, labored breathing, they realized Aki and Rias remained joined, though their presence now seemed to merge into a singular, pulsing aura.


 As they finally pulled apart, moving with a languid grace, they shared a soft, lingering kiss. Rias pressed her knees together, feeling the sticky warmth left behind.


 ”Koaki, I’m going to go wash up,” Rias whispered.


 Seeing the deep indigo heart-shaped collar now etched upon her neck and the crimson, ornate heart-crest glowing on her pale abdomen, Aki nodded. “Yeah, go on. But you’ll need to act as a witness for me in a bit.”


 Rias threw him a coy, embarrassed glance, shielding her stomach as she hurried toward the bathroom.


 Aki turned to the group of girls, not bothering to cover his nudity, and grinned. “Alright. I know you all have questions.”


 He paused, collecting his thoughts. The strange sensations that had gripped Akeno and the others began to recede, though the dampness of their own clothes served as a silent testament to the reality of what they had just witnessed.


 ”Rias and I were engaged in Dual Cultivation to complete the final step of the contract,” Aki explained. “Due to the nature of my ability, the contract shifted. It requires this kind of union to be fully realized. The magic circle reacted to that change, and since you were all so close, you were drawn into the flow of energy as well.”


 As Aki detailed the mechanics of the event, the girls slowly grasped the truth—and the implications—of the evolved contract.


 —


 Summary:

 Aki and Rias complete a volatile, magical contract ritual through an intense session of physical intimacy. The surrounding peerage is left affected by the residual energy of the magical circle. Aki subsequently explains the nature of their contract’s metamorphosis to the group, leaving the long-term consequences of this shift unresolved.


 —


 Trivia:

 The contract ritual requires “Dual Cultivation” as a final step.

 Rias now bears an indigo collar and a crimson heart crest as signs of the contract.

 The magic circle affected the peerage girls due to their proximity.

 Aki possesses a specific ability that alters the outcome of contracts involving others.


 —


 Translation Notes:

1 A Taoist-inspired concept involving the exchange of sexual energy to advance cultivation or magical efficacy.


Notes:


• Rias – An elegant, voluptuous SS-Rank devil heiress with long crimson hair and green eyes, she is the next head of the Gremory family and President of the Occult Research Club. She authoritatively leads her peerage through family duties and Rating Games while bearing the weight of leadership, a forced engagement to Riser Phoenix, a soul-bound contract with Aki, and her role as the primary love interest.

• Aki – A tall, handsome Kuoh Academy student and the Student Council’s sole male member, this youth is a pragmatic, protective hybrid Devil/Fallen Angel/Nekoshou and successor of the Red Dragon Emperor. An SS-Rank powerhouse pushing for SSS-Rank, he wields lightning magic, dual cultivation, and a unique Soul Network contract ability. A dominant master to his growing household, he is a key member of Rias’s peerage and the primary target of upcoming Rating Game restrictions.

• Y – The first initial/part of the name Y Ddraig Goch.

• Akeno – Himejima is a tall, voluptuous raven-haired Orc-devil with red eyes and a high ponytail. Serving as Rias’s fiercely loyal, S-Class Vice-President and Queen, this elegant yet teasing, sadistic older student boasts a massive spike in lightning magic power. She handles administration and acts as Aki’s soul-bound contract partner, longing for his attention while maintaining a playful personality.


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Edited by Kanaa-senpai.
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