“well, not this time!” she said with a grin, then threw her weights down and rushed past me to the stairs. With a shout I clamored after her, grabbing at her waist as I followed her up the stairs. She screamed and laughed and got out into the hallway upstairs and raced thru the living room toward the stairs to the second floor. I was in close pursuit and finally grabbed a handful of her shirt and pulled her backward. I almost made it by her and was on the stairs when I felt her hands on my waist and suddenly she had pulled the back of my shorts and briefs down, exposing my butt. I shouted and she laughed and ran past as I regained my decency. She didn’t make it far though, because I caught her at the top of the stairs and tackled her to the carpet.
She was laughing and gasping and I grabbed the hem of her shirt and yanked it up her back until I could grab the back of her bra. She screamed when she felt me grab the strap, and I pulled one of her hands behind her back and looped her bra strap around her wrist so that her arm was stuck. I stood up and walked a few steps forward, laughing as I watched her struggling to get loose. She got up to her knees, then reached back with her free hand under her shirt and I saw her arm come free. She glared at me with a determined glimmer in her eye and I jogged down the hallway and into my room.
I was determined to make it into the shower first. In just seconds I had thrown off my t-shirt, shorts and socks and made it into the bathroom. However, just as I was closing my door, Jen’s opened and she tore into the bathroom with a big, mischievous grin. She had also stripped down to just her thong, so I was distracted for a second to see her naked breasts hanging there, freely in my view. Her dark, red thong covered her pubic triangle tightly. I had never seen her this close to being completely naked.
She left me little time to think about it though as she sprinted for the shower and ducked in one side of the shower curtain just as I made it in the other. Fortunately for me, I was at the end with the faucet and intended to turn it on and declare myself the winner, but she dug her shoulder unto my ribs and shoved her hand in between mine and the knob. The water came on and splashed around our feet as we fought to get the plunger up to start the shower. I had got my hand on it first, but she was holding it down with hers and trying to get her other hand under mine.
“Mark, wait!” She exclaimed, giggling. “You’re going to soak our underwear!”
Trying to ignore the naked breast she had against my arm, I said, “Oh well, let me know what second place is like!”. With that I stuck my other hand under her slick armpit and tickled her. She squealed and jumped back and I yanked the plunger up. Cold water began streaming out of the showerhead, drenching us both. Jen yelped as the water hit her and she retreated to the end of the tub where only her legs were getting wet. Her nipples were now hardened nubs and she was quick to put an arm across her breasts to keep them warm.
“Looks like I win.” I said.
She raised her eyebrow and said, “I think this looks like a tie.” She held back a shiver as I adjusted the water and it grew warmer.
“Okay,” I conceded, “It’s a tie then. So who gets to use the shower?
She grinned. “What, are you afraid to share the shower with your little sister?”
I looked at her standing there, her dark hair clinging to her shoulders, arm wrapped around her bulging chest, tight stomach and nearly naked pussy.
Daringly, I said, “Well I’m not going to shower with my underwear on.”
She shrugged and said, “Okay, neither will I.”
We looked at each other, a little nervously. We’d never seen each other naked before.
“Okay, um, we’ll share the shower.” I said, absently.
There was a moments hesitation as we looked at each other, both feeling kind of guilty, but way too excited to care much. She looked away first and turned a little to face the shower curtain. I turned toward the wall, and we gave each other a little privacy. I slid my soaking wet briefs down to my feet and picked them up, the water spraying my back. I reached back over my shoulder and pushed around the curtain and dropped them to the floor.
I turned back to face the wall and saw Jen out of the corner of my eye, straightening up and turning her head towards me. Slowly I turned to face my sister, now completely naked. Our eyes met and I suddenly felt a little dizzy as I realized she was naked too. She tried a smile, but it faltered in her nervousness. We both wanted to look down, so I said, “Go ahead.” to give her permission.
She turned her eyes away and looked down and I did the same. My gaze flitted to her bare breasts, her nipples still darker and hard with beads of water clinging to them like dew. But what I really wanted to see was farther down and soon my gaze traveled between her legs.
It is kind of a little adventure to see a girl’s pubic hair for the first time. Jen’s bush was beautiful and caught me by surprise. Her hair was dark brown and had a gentle curl to it. Her hair was trimmed a little from the sides, but otherwise was relatively intact. As my eyes dug deeper, I looked even farther down and could make out the cleft between her legs where the fold of her cunt began. Taken as a whole, she looked awesome. Firm, long legs, joined in the center by her clever bush, tight abs surrounding her bellybutton, her breasts full and pert, nipples pointing at attention under her rounded shoulders capped with the wet strings of her dark hair. I looked back up at her face and appreciated her fully now, seeing my sister’s womanhood in it’s glory.
Her eyes lifted from my crotch and met mine, and for the first time in a few minutes we both smiled at each other.
“This is so weird!” Jen exclaimed. “I can’t believe we’re doing this!” she said.
I had no idea what to say, but I sure did agree with her!
“I keep wanting to cover myself up.” she said, smiling, and making a point of keeping her hands at her sides.
I chuckled. “You think you’re having trouble? I’m trying not to point straight up at the ceiling!” I admitted.
We both laughed at that, and Jen eyed my dick to see if she could tell.
She shrugged and said, “I’m okay with it, Bro, if it makes you more comfortable.”
“Are you sure?” I asked, already feeling the blood rushing down.