RE: Keep it in the Family (Secret Class) 162 — Finger Lickin’ Good (NSFW)

Su Ah's POV:

His tongue darted out, twirled around, and then he sucked with intense force, eliciting a choked whimper from her lips that she couldn't suppress even if her very life depended on it.

Intense heat trailed from her breast, twisting tightly in the depths of her stomach.

His free hand glided upward to cup her other breast, his thumb teasing the sensitive tip, creating a tantalizing contrast to the blissful suction of his mouth.

Su Ah barely noticed her legs parting on their own. Her knee nudged against him as she arched her back sharply, no longer able to remain upright and sinking deeper into the sheets. His strong hands held her firmly in place, denying her any chance to flee or resist as he made her endure every wave of torment.

Not that she desired to resist, or ever would have.

She craved this deeply. She had yearned for it for ages. Yet her dreams paled against this reality—the scorching heat, the slick wetness, the raw, inescapable truth of it.

A soft whine escaped when his mouth finally released her.

Her nipple stood erect, rigid, and deeply flushed from his ministrations, her skin glowing red across the smooth stretch of her ribcage. She gasped for breath as he moved to her other breast, trailing his mouth through the valley of her cleavage and bathing the perfect curve with his tongue.

Another firm suck. A sharp nip at her pulse that was sure to leave a mark.

Su Ah glanced down, mesmerized by the sight of him, viewing her own body as if for the first time—breasts swollen, glistening with his saliva. He lashed his tongue over her nipple, grazing the tender areola with his teeth before sucking powerfully, sending a jolt of pleasure straight to her clit.

Another loud groan nearly burst free but was hastily muffled. Her hips writhed in his lap, instinctively rubbing against his bulge. His hands gripped her hips, halting her movements.

"Easy now, don't rush this." He murmured softly, almost to himself, while continuing to caress her.

He was pushing her to the brink of insanity.

She resented how he restrained his hands; his lips focused solely on the sensitive landscape of her breasts and nipples, even though she desperately wanted those hands elsewhere on her body.

Yet another part of her thrilled with a risky excitement from those powerful hands anchoring her down, dictating the rhythm, stripping away her control and compelling her to submit.

Deep down, both sides yearned for the identical thing.

Abruptly, his mouth brushed gently against her chest, directly over her racing heart. Then his lips trailed upward, accompanied by a teasing flick of his tongue along her clavicle, making her writhe from the torturously slow pace.

Her body was hypersensitive now; every touch, every breath from him ignited instant heat and pulsing desire.

"Jae-il..." Su Ah breathed out in complaint, but he showed no sign of yielding to her plea.

Instead, his hot tongue traced up her neck, then grazed her earlobe and its edge, triggering a shiver so intense it nearly flung her off his lap. She stifled a moan as he deliberately, excruciatingly, kissed along her neck and jaw, drawing her unconsciously toward those tender touches until he returned to her rising and falling chest.

Su Ah let out a harsh breath that morphed into a desperate whimper the instant Jae-il's teeth grazed her neglected nipple. It felt like retribution for her noises—and it was exquisitely effective.

In a flash, one hand ventured downward, granting her a sliver of freedom at last.

"."

Su Ah trembled and gripped the firm muscles of his arms, tangled her fingers in his dark, silky hair as a moan slipped out, clutching at his still-on shirt.

Jae-il lifted his head from her chest. A slender strand of saliva connected her shiny nipple to his lips, breaking as he straightened. The view was obscenely erotic. His gaze roamed her body—hair disheveled, bite marks scattered across her skin, cheeks burning with an obvious flush.

"Why are your pants still on?"

The question came out in a low, urgent rasp, yet perfectly controlled in his deep baritone. It should have annoyed her; she ought not to find his commanding tone arousing. Likewise, she shouldn't crave her little brother's intimate touches.

But she did. God, did she ever.

Jae-il toyed with the buttons on her jeans before undoing them. His knuckles grazed her abdomen. A sly grin spread as he observed her flinch, then he peeled the jeans down her hips and toned legs. Her slender thighs quivered shyly once the garment was gone, and Su Ah bit the inside of her cheek.

His eyes fixed on the soaked, sheer fabric shielding her core.

It was delicate lace, designed for seduction over utility, completely drenched with no dry spot, nor was her pussy beneath it. It could tear easily, and part of her wished he would.

"Someone is excited, huh~?"

Embarrassment mixed with defiant heat rose inside her. "Shut up."

She tried to close her legs, a final bid for modesty, but he moved faster. His hands seized her knees with firm pressure, keeping her spread. "Nuh-huh." His eyes sparkled with lazy mischief. "No need to hide, Su Ah Noona. I just want to peek at what my big sister's hiding down there..."

"......"

Su Ah clenched her jaw and averted her gaze.

Jae-il slipped a single finger beneath the edge, the thin panties offering scant resistance. The material saturated immediately, clinging to her contours.

That finger parted her outer folds, exposing her swollen, red, pulsing clit.

A mortifying sound caught in Su Ah's throat, part gasp, part stifled protest. Her hips jerked, fleeing the overwhelming sensation—or seeking more, she couldn't tell.

Jae-il chuckled. He caught the fabric with a finger and yanked her panties down her legs, flinging them aside near her jeans.

Su Ah attempted to shut her legs again, clinging to the last remnants of dignity after a month of pent-up desire.

But she didn't succeed.

Jae-il maintained his grip on her knees, keeping her exposed with that relaxed smile.

Now he feasted his eyes on her fully naked form.

The heat in Su Ah's cheeks deepened. She'd never felt so vulnerably bare, under his stare at her most private area—and from her own brother, no less.

She longed to snap something sharp, sarcastic to pierce her arousal fog—her go-to shield—but her mind blanked, producing only a strangled whimper.

She noticed Jae-il swallow, the tension in his jaw. He felt it too.

Then he descended over her, draping her thighs across his shoulders, and her heart pounded wildly.

Wait, was he about to…?

“Jae-il?” 

“......”

“H-Hey…” 

Jae-il breathed in deeply over her slick, engorged folds before pressing his tongue flat and sliding it languidly from her entrance to her clit.

Su Ah's hips bucked wildly, nearly knocking his head, but his steady hand on her stomach pinned her securely.

A prolonged, quivering whimper poured from her. Toes curled tight, hands knotted in her hair as her head snapped back into the pillows.

She never could have envisioned such bliss, let alone from Jae-il, her little brother...

With his mouth devouring her pussy, Su Ah lost all power of speech; only mangled cries of his name emerged. Her core and groin tightened on instinct. Thick nectar coated her entrance, leaking past his probing tongue that delved in and out with unhurried strokes.

"Nghh, shit—"

Her head dropped back as her thighs quaked.

Then, a single finger—deceptively slim yet fuller than her fantasies—thrust inside. She clamped down reflexively, the feeling utterly unique from anything she'd known—which wasn't much anyway.

Her reality froze; mouth gaped in silent cries. Chest rose and fell rapidly, throat raw without a sound as her depths spasmed wildly.

It seemed impossible for one finger to stretch her so completely, her petite frame dwarfed by the sensation.

Ecstasy surged from her center through her abdomen. Su Ah clawed the bedding, fingers seeking purchase.

Somehow she summoned the will to look down. Her eyes nearly rolled back at his view from between her legs, handsome face etched with fierce focus.

A beam of sunlight illuminated his features.

Their gazes locked for agonizing moments as he started thrusting his finger deeper, tongue relentlessly circling.

She seized his hair, nails raking his scalp, yanking him nearer—ignoring how she was smothering her baby brother with her pussy, no matter how thrilling it felt now.

"Aghnn—s-shit—m-more—"

The words escaped as both command and desperate beg.

When the second finger entered, she gasped, walls squeezing tight. She felt on the verge of shattering; his digits far girthier than her own.

How could pleasure hit like this?! How did Unnie endure it constantly? Incredible! Su Ah would trade her soul daily for her little brother's touch.

Her spine bowed, climax building through her nerves.

"Aaahn—"

Thighs rigid and shaking. Another curse, another pleasure wave. Jae-il crooked his fingers precisely, striking an unknown inner spot, and Su Ah shattered in orgasm, vision nearly blanking.

Her feet kicked wildly.

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