Supervillain Idol System: My Sidekick Is A Yandere-Chapter 559: The “Sleep” Over (Part 1) (R-18)

Chapter 559: Chapter 559: The “Sleep” Over (Part 1) (R-18)

Don kept his hands right where they were—his left still working slow circles over Sylvia’s nipple, her skin pebbling under his touch, the silk of her nightie now bunched just below her breast.

His right hand stayed hooked in the waistband of Summer’s shorts, fingertips pressing into the heat where her panties clung to her skin.

Summer’s grip on the pillow tightened, the fabric creasing as she pulled it higher, hiding the blush creeping up her neck.

Her thighs squeezed together reflexively, the faintest movement of skin against skin muffled by the movie’s noise.

Sylvia suddenly pulled away with a soft shff of silk against skin, her nipple slipping from Don’s fingers.

"Nevermind," she murmured, lips curling in a smirk as she swung her legs over the edge of the bed. "I think I have a better idea on how to cool down~"

Don didn’t let his hand linger as she slid off the mattress.

Summer stiffened and panicked, shoving Don’s hand away with a sharp jerk of her hip. Meanwhile Sylvia had already turned, fingers hooking under the delicate straps of her nightie.

The silk slid down her arms, pooling at her feet with a soft shff~, leaving her standing there in nothing but light purple panties.

The fabric clung tight, sheer enough to show the shadow of her folds beneath. Her body was toned, curves soft but defined—hips flaring just enough to make the waistband dig in deliciously, her stomach smooth, dipping into the tempting V below her navel.

Don’s breath hitched, eyes dragging down Sylvia’s bare skin—the way her panties clung, sheer enough to show the faintest shadow of pink beneath. His cock twitched in his briefs.

Summer’s face burned crimson, fingers digging into the pillow. "W-what the heck, Sylvia!?" Her voice cracked, throat bobbing as she swallowed hard.

Sylvia just gave a lazy shrug, hands sliding up to rest on her hips. The motion made her breasts sway slightly, nipples still stiff from Don’s touch. "Just a little hot," she purred, rolling her shoulders back.

Sylvia then looked at Don, striking a little pose—hips cocked to the side, one hand resting on her waist while the other trailed up her stomach, fingers splaying over the curve of her breast. Her lips parted, tongue wetting the bottom one before she murmured, "What do you think, Don? Aren’t I hot?"

Summer’s fingers clenched into the pillow, before she suddenly tossed it onto the bed with a soft whumpf~. She pointed a finger at Sylvia, voice tight. "You didn’t have to get naked!"

"I’m not," Sylvia replied softly, sliding her hands up to cup her breasts fully, fingers sinking into the plush flesh.

She squeezed slowly, thumbs brushing over her stiffened nipples, the pink peaks pebbling harder under her touch.

A soft mmn~ escaped her lips as she rolled them between her fingers.

Her gaze locked onto Don, lips parting as she dragged her tongue along her bottom lip again.

"But I could be~" She winked, hips swaying just enough to make the sheer fabric cling tighter.

Summer let out a frustrated "Grr!", her teeth pressing into her lower lip hard enough to leave indents. "You’re doing this on purpose."

Sylvia kept her hands kneading her breasts, thumbs rolling over stiffened peaks with slow circles. "Maybe~" she breathed, before letting them drop with a soft plap against her sides.

The flushed skin stayed slightly indented where her fingers had been.

"But Don doesn’t seem to mind," Sylvia murmured, licking her lips as she glanced down at the obvious gaze he had directed at her body.

Summer frowned, her eyes darting to Don with a sharp, questioning glare. The flush on her cheeks deepened, spreading down her neck as her teeth worried at her bottom lip. "Is that true?" she demanded, voice tight.

Don shifted on the mattress, the fabric of his pajama pants straining as he pushed himself up to sit on the edge of the bed.

He gave a lazy shrug "Well..." His voice was rough, "What guy wouldn’t?"

Sylvia’s lips curled into a smug grin. "Told ya so," she murmured, voice thick with satisfaction.

Summer’s frown deepened. "You’re both just... perverts," she spat, though the tremor in her voice suggested she felt otherwise.

"Guilty~" Sylvia purred, and before anyone could react, she was moving—hips swaying as she stepped forward, then dropped herself straight onto Don’s lap in one smooth motion.

Her bare thighs pressed against his pajama pants, the heat of her skin seeping through the thin fabric.

Summer’s eyes flew wide. "H-Hey!" Her voice cracked, high and sharp, but Sylvia didn’t even glance her way. Instead, she rolled her hips down in one slow grind—her bare thighs pressing into Don’s lap.

The moment her ass settled against him, she felt it—the thick, unmistakable ridge of his cock straining against her. A breathy "ah~" slipped from her lips as she shifted again, letting the weight of her body press him deeper into the mattress.

Sylvia grinned, rolling her hips in another slow grind against Don’s lap. "Mmn~ Someone’s enjoying the view at least," she said, arching her back just enough to make her breasts sway, the stiff peaks brushing against the thin fabric of his vest.

Her gaze flicked back to Summer, who was now kneeling on the bed behind Don, fingers gripping the sheets tight.

Sylvia’s smirk curled deeper, fingers tracing idle circles on Don’s chest through his vest. "Mmm~ Sounds like you’re a little jealous," she purred, rolling her hips down against his him again, grinding the thick ridge between her thighs. "Jealous I’ve got your big bro all nice and hard—"

Summer’s breath hitched, fingers twitching against the sheets. "That’s it!" she snapped—then, without warning, her hands flew to the hem of her cropped vest.

Summer’s fingers hooked under the hem of her cropped vest, yanking it up in one quick motion.

The fabric peeled away, her full breasts bouncing free with a soft jiggle~, nipples already stiff from the heated air between them.

Don’s head snapped back, eyes locking onto the way her tits swayed—heavy, flushed, the pink peaks puckered tight.

Summer’s cheeks burned hotter, but she didn’t cover herself. Instead, she tossed the vest onto the bed, her chest rising with each quick breath.

Sylvia’s eyes widened in delight, letting out a low whistle. "Wow, Summer," she breathed, lips curling into a wicked grin.

"Now you’ve done it." Her hips rolled down again, grinding the thick length trapped between them. "Mmn~ I think his boner just got harder because of you."

Summer’s eyes snapped back to them, pupils blown wide as her cheeks burned crimson. "N-no I didn’t—!"

Sylvia slid off Don’s lap with a slow shift of her hips, the heat of her thighs leaving his pajama pants warm where she’d been grinding.

The bulge straining against the fabric twitched visibly, the outline of his cock thick and desperate.

"Don’t believe me?" Sylvia asked, stepping back just enough to give Summer a full view. "Come see for yourself~"

Summer hesitated, her breath shallow—then, with a huff, she moved off the bed. The mattress dipped as she stood, her full breasts bouncing heavily with the movement.

She kept her hands crossed beneath them, as if holding herself up. Her frown deepened, lips pressed tight, but her eyes—dark and wide—never left the thick outline straining against Don’s pajama pants.

Sylvia’s grin stretched wider, her fingers skimming down Don’s thigh before tapping the swollen outline in his pants. "See? Look how hard you made the poor guy~"

Summer’s eyes flicked away, cheeks burning, but the corner of her gaze kept darting back—drawn to the thick, twitching shape straining against Don’s pants.

"Tch. Whatever," Summer muttered.

"It’s his fault for being a pervert," Summer huffed

"It’s his fault for being a pervert," Summer huffed, her lips twisting in a pout, though her chest rose with quick, shallow breaths.

Sylvia let out a low chuckle. "Heh, good thing he has us to help him out with his not so little problem~"

Her voice carried honeyed amusement, her hips swaying slightly as she leaned in closer to Don. "Unless..."

Sylvia’s grin curled wider, her fingers teasing the swollen outline in Don’s pants. "If you don’t wanna though... I can do it myself—"

"No!" Summer’s voice cracked out before Sylvia could finish, her hands twitching at her sides.

Her chest heaved, the flushed peaks of her breasts stiffening further under Don’s stunned gaze. "You said it’s my fault, so... so... I’ll help get rid of his stupid boner."