I grinned, when I listened to the sounds, coming from my sister's room. They were the noises she always made, when she was in there, "busy" with herself. I licked my lips. Let's see how she's going to wiggle out of this one, the little slut, I thought, and gripped the door handle tight. With a quick, decisive push, I threw her door open wide, loudly entering her room. "Hey sis!" I called, sending her reeling in her chair. I had to admire her, she was sneaky. With one smooth motion she flung something underneath her bed and sat a little contorted in her chair, as if to cover something up. "What're you doing?" I asked.
"Nothing," she hissed. "What do you want?" She avoided looking at me, and instead glanced nervously at her laptop, pushing her legs tight and folding her arms in front of her chest.
"Nothing as well," I replied laughing. "Just wanted to see how my little sis was doing." I walked in slowly, heading for the bed where I saw her push that secret little thing under, that she seemed to be so nervous about. "What've you got there?" I asked, feigning surprise, as if I had just seen something underneath her bedframe.
Quickly, she extended a leg, blocking my way. "N-nothing," she said again, even more nervously. "Go away."
I laughed. "Ah, now you've got to show me," I said and quickly bent down to have a closer look. A long, round object lay down there in a corner, and I reached out far, grabbing it, and soon pulled out a thick, floppy, green and thoroughly slippery dildo. MY dildo. Well, one of my dildos, but still mine! The little slut was using my sex toys!
"Where did you get this?" I asked, suddenly slightly upset.
She shrugged. "As if you don't know," she moped, looking embarrassed to the side.
"Oh," I replied. "So you're using my stuff, and now you're upset that I found out, huh? God, you got some nerve, Judit."
"I was going to give it back," she said, acting cool and confident to mask her embarrassment. She may be 18, I thought, but she was still acting like a total teenager.
"Give it back after you've left your pussy stains all over it, huh?" I replied, pointing the thick end to her. "Look at it! Who gets wet like that anyway?"
She rolled her eyes and sighed. "Like it matters," she said in a bratty tone. "You've got so many anyway, and besides..." She paused and bit her lip, deciding it was best to keep quiet about what she was going to say.
"...and besides what?" I asked inquisitively.
"Besides, you use all that lube on them and..." she said, pausing again. "And, you know. You'll make them dirty anyway."