Chapter Text
My two-story house was standard by most definitions, except for the single bathroom tucked inconveniently on the bottom floor, while all three bedrooms sat upstairs. My sister and I had rooms right next to each other at the end of the long hallway, with Mom’s bedroom just off the staircase landing.
I lay in my twin-sized bed pushed against the wall, on top of the bunched-up blue and green plaid comforter that covered the beige sheets beneath. Light filtered weakly through the half-drawn blinds, casting long shadows across the floor. The nightstand hugged the side of the bed, its surface scattered with charging cables and empty soda cans. A cluttered dresser stood beside it, drawers so overstuffed with clothes they barely closed. My closet door hung open a crack on the wall with the main door, and at the foot of the bed sat a worn loveseat, a bookshelf overflowing with games and manga, a desk, and my gaming chair.
I held my phone horizontally, a YouTube video playing with the volume low, when my sister walked in without knocking. I used to lock the door, but Mom had taken the lock off years ago after I kept ignoring her calling for me while gaming.
“I have an idea for your room,” she said, hands planted on her hips as she scanned the space. Her long brown hair framed her face, a few strands falling forward.
“What do you mean?” I asked, pausing the video.
“The toilet is so far away. I can’t stand walking all the way downstairs anymore.”
I set the phone on the nightstand. “I hope that doesn’t mean—”
“Your room would make a great toilet.” She smiled wide, revealing the dimples on her cheeks—the same ones I had. “I’m gonna start pissing in here from now on.”
“That’s disgusting. I’ll tell Mom if you try.”
She laughed and stepped over a pile of dirty clothes to swing my closet doors open all the way. “Tell her and I’ll let her know you keep stealing my panties.”
“What? I’ve never done that.”
“So? She’d believe me.” She turned back, eyes locking on mine with playful challenge. “What do you say? Can I pee in here?”
I chewed on my lower lip, heat flooding my face and neck as I shook my head slowly. How the hell had I ended up in this situation? My sister stood there waiting, fingers already hooked into the waistband of her tight jeans, subtly squirming, thighs pressed together. “Fine. Yes.”
“Yes, what?”
A vein throbbed in my forehead, my hands clenched into fists at my sides. “You can pee in here.”
“Good boy.” She shoved her jeans down her legs, squatted in front of my open closet, and held her panties aside. A powerful stream of urine gushed out immediately, hissing loudly as it struck the pile of clothes on the floor. She groaned, eyes fluttering closed in relief and pleasure, her lips parting.
From my spot on the bed I couldn’t see every detail—just the curve of her bare ass and the faint glistening trail—but the sounds painted a vivid picture: the strong hiss gradually softening into a steady patter as the stream soaked into my discarded jeans, darkening the denim in spreading patches. It pooled briefly on the beige carpet before seeping deeper, the fibers darkening in a wide stain that crept outward, wetting the edges of a hoodie and a pair of sneakers shoved against the wall.
“Mmm, so good,” she moaned. She released a few more spurts that splashed against the base of the closet door and trickled down the wood, then grabbed a crumpled t-shirt from the floor to wipe herself. She stood and yanked her jeans and panties back up, adjusting them on her hips. “This is already so much better.”
The second my door clicked shut behind her, I slipped out of bed and crouched in front of the closet. The piss had completely soaked through the jeans, leaving the fabric clinging to itself. The t-shirt she’d used sat discarded and damp on top, yellowed at one end. Beneath everything, a large dark patch glistened on the beige carpet, the fibers still visibly wet and matted.
I scoffed under my breath, tossed the ruined clothes into the hamper, and left the carpet to dry on its own.
The next morning, a faint but unmistakable smell of stale urine hung in the air. The carpet had dried into a distinct yellowish stain. Pale morning light slipped through the blinds as I groaned and rolled over, trying to drift back to sleep, when my door creaked open again. A hissing sound followed immediately.
I cracked my eyes open just in time to see my sister perched on the edge of my desk chair, jeans and panties bunched around her ankles, her bare pussy hanging exposed over the side. She peed freely onto my carpet, swiveling slowly left and right. The stream sprayed in an erratic arc, pattering loudly against the carpet and creating fresh, dark patches that spread outward. It formed a messy half-circle of overlapping wet spots and scattered droplets around the chair.
Soft giggles escaped her as she adjusted her aim again, the urine continuing to pool and seep into the carpet until it could take no more and tiny rivulets began to snake across the surface.
When she finally finished, she wiped herself with a corner of my blanket and left without glancing toward the bed, completely unaware I’d been watching the whole time. She had taken full advantage, and there was nothing I could do to stop her—not unless I wanted my stuff taken away. My room was now my sister’s toilet, and there was nothing I could do about it.