The sun hung high in the sky, casting a golden glow over the lush greenery of Angel Island. Knuckles, the rugged and muscular echidna, had been patrolling the island as usual, his crimson dreadlocks swaying with each determined step.

His purple eyes scanned the horizon, ever vigilant for any sign of trouble. But today, his focus wasn’t on duty — it was on something far more primal. He’d been craving a bath, the heat of the day making his skin itch with sweat. He followed the sound of a nearby stream, its gentle babble promising relief from the oppressive warmth.

As he approached the water’s edge, his steps slowed. There, in the shallow pool of the stream, was a figure he hadn’t expected. A female echidna, her slim form glistening under the sunlight as she washed herself. Her brown hair cascaded down her back, and her brown eyes were closed in contentment as she scrubbed her arms and legs with a carefree ease. 

Knuckles froze, his heart pounding in his chest. It was his best friend, Zyanya, and she looked positively breath-taking. She was completely naked, her body a work of art, and Knuckles found himself unable to look away.

Zyanya hummed softly, her movements fluid and unhurried. The water lapped at her waist, and she dipped her hands into the stream, splashing herself playfully. Knuckles felt a heat rise within him, a desire he hadn’t acknowledged in a long time. He knew he should turn away, leave her to her privacy, but he couldn’t. His gaze lingered, drinking in the sight of her. Her slender waist, her perky breasts, the curve of her hips — every detail was etched into his mind. 

He stepped behind a broad tree trunk, his heart racing as he continued to watch, his voyeuristic urge overwhelming his sense of propriety.

Zyanya’s hands drifted lower, her fingers tracing the contours of her body as she washed. Knuckles’ breath hitched as he realized she wasn’t just cleaning herself — she was touching herself, her movements slow and deliberate. Her fingers glided over her breasts, her nipples hardening under her touch. She let out a soft sigh, her head tilting back as she indulged in the pleasure.

Knuckles felt his own body respond, his cock hardening as he watched her. He reached down, his fingers gently wrapping around his length. He stroked himself slowly, his eyes never leaving the young echidna as she explored her own body.

Zyanya’s hand drifted lower still, slipping between her legs as she stood in the stream. Her fingers dipped into her wetness, and Knuckles could see her shudder with pleasure. She moaned softly, her voice carrying on the breeze, and Knuckles bit his lip to stifle a groan of his own. He stroked himself faster, his grip tight as he imagined what she must feel. 

The sight of her touching herself was more arousing than anything he’d ever experienced. He was lost in the moment, his senses overwhelmed by the sight and sound of her.

Then, as if on cue, both of them reached their peaks. Zyanya’s body trembled, her fingers moving frantically as she cried out softly, her orgasm washing over her. Knuckles followed moments later, his own release spilling into his hand as he watched her climax. He leaned against the tree, his breath ragged, his heart pounding in his chest. He’d never felt anything like it — the simultaneous release, the shared intimacy despite the distance between them.

Zyanya opened her eyes, a satisfied smile on her lips as she caught her breath. She stepped out of the stream, her body still glistening, and Knuckles’ eyes widened as he realized she was about to relieve herself. She turned slightly, her back to him, and let out a stream of urine into the water. 

Knuckles felt his cock twitch at the sight, his arousal reigniting. He was heavily into watersports, and watching her like this was a fantasy come to life. He hadn’t realized how much he’d needed to pee himself until now, and he stepped closer to the young female, his own stream arching into the bushes.

Zyanya froze as the sound of another hissing stream hit the bush near her position, her eyes widening as she turned to face her spy. 

Knuckles’ face flushed with embarrassment, his hand still clutching his half-hard cock as he continued to urinate.

"Uh… I... I...,” he mumbled, his voice rough with flustered nerves. Zyanya’s lips curved into a mischievous smile, her playful nature shining through as she immediately recognised the figure. 

“Well, well,” she said, her voice teasing. “Looks like I’m not the only one who’s been enjoying the view. It's been a while, hasn't it, Knuckles~?”

Knuckles scratched the back of his head, his tough exterior cracking under her bold gaze. “I… uh… I didn’t mean to spy,” he stammered, though he knew it was a weak excuse. 

Zyanya giggled, a sound that was both cheeky and inviting. “No need to apologize,” she said, stepping closer.

"I, uh... I'll just go,” he replied, his voice softening as he took in her boldness. She was adventurous, just like him, and her playful demeanor was both disarming and enticing. Before Knuckles could leave, Zya stepped closer to him before reaching her hand out to touch his muscular chest. “Wait. Since we’re both already… exposed,” she said with a wink, “why don’t we make the most of it~?”

Knuckles’ heart raced as he realized what she was suggesting. He didn’t need to be asked twice. Without thinking, he immediately pulled her into a kiss, their lips meeting hungrily as their bodies pressed together. 

Zyanya’s hands roamed over his muscular frame, her touch sending shivers down his spine. He lifted her with his strong arms, pressing her against the tree, her legs wrapping around his waist as he positioned himself at her entrance. She was wet and ready, her body welcoming his as he slid inside her.

The young female gasped, her head tilting back as he began to move, their bodies moving in rhythm with the stream nearby. Knuckles groaned, his hands gripping her hips as he thrust into her, their passion igniting with every touch. 

Zyanya’s fingers dug into his shoulders, her breath coming in sharp gasps as she met his movements with equal fervour. The sound of the stream mingled with their moans, the water a constant reminder of their shared arousal.

As their passion built, Zyanya’s bladder began to fill once more, and she whispered in his ear, her voice breathless. 

“Knuckles… I need to…” He grinned, his eyes dark with desire. “Do it,” he urged, his thrusts becoming more urgent. 

Zyanya let out a soft cry, her body relaxing as she gently pushed on her bladder, the warmth of her urine mixing with the stream below. Knuckles felt his own arousal spike, his cock throbbing inside her, as he followed suit, his own stream adding to the mix.

Their bodies trembled as they, once again, climaxed together, their orgasms crashing over them like a wave. Knuckles held her tightly, his breath ragged as he whispered her name. Zyanya smiled, her eyes sparkling with satisfaction as she rested her head on his shoulder.

“That,” she said, her voice soft, “was definitely worth getting caught for.”

Knuckles chuckled, his embarrassment fading as he kissed her forehead. “Yeah,” he agreed, his voice warm. 

“Definitely.” And as they stood there, their bodies still entwined, the stream continued to flow, a silent witness to their shared moment of passion.