Author's Note: This is a continuation of the existing "Summer with Sarah" series. I definitely recommend reading Chapters 1-4 to understand the backstory of Sarah and Kevin. Hope you enjoy!
Disclaimer: All characters are at least 18 years old.
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My little sister and I lay in her bed, recovering both physically and emotionally from our second time having sex together. She had just returned from the bathroom and reentered the bed with me. We both remained nude; I laid on my right side, propping myself up on my elbow as I lazily rubbed my hand across her stomach and breasts, and she laid on her back.
Sarah looked up at me with a smile, "What are you thinking right now?"
I glanced back up at her face as I contemplated an answer. "I'm just thinking about how incredibly perfect your body is. I'm also thinking about how much time we wasted that we could've spent together."
"Kevin, stop worrying about the past," she responded with exasperation. "Let's just be grateful for the fun that we can have now."
"True," I replied, as I resumed my light touches across her stomach.
With a bit of hesitation, Sarah looked up at me again, "So tell me, what exactly is it about my body that you like?"
"Sis, do you really need me to answer that question?"
"Yes, please!" she said with her best princess-impression smile.
"Sarah, you already know how hot you are," I said as I looked her body up and down. "You have the most radiant and loving smile that I've ever seen. You're incredibly fit; I mean, look at that six-pack!" I said as I tickled her stomach.
Rolling around in laughter, she tried to push my hand away. "Haha okay, okay, thank you," she finally got out in between giggles. As her breath returned, she asked with shyness, "Is there anything else about my body that you like?" Her hand slowly moved up her torso and cupped her right breast in hand.
I choked on my words for a second before responding. "Oh...I didn't think that I needed to vocalize how incredibly perfect those are."
"How perfect what are, Kev? Tell me."
"Your boobs, Sarah," I replied as my hand slid up her body to cup her left one. "They're so round and full and soft and perfect. I love seeing how white they are compared to the rest of you."
"Wait, why's that?" she questioned quizzically.
"I'm not sure. I think I like it because I know that I'm the only one who ever gets to see them like this. Like not even the sun has ever seen this part of your body."
She contemplated my response, "Well, that's not exactly true. Don't you remember tanning at the beach a couple weeks ago?"
I thought back to when Sarah decided to tan topless in our secret spot at the beach. My cock twitched against her leg thinking of how hot it was when she completely exposed her chest in public like that.
"See, that felt like you remember," she said with a smile as her left hand moved back down to wrap around my cock. Her touch immediately pushed more blood down to stiffen it.
"Yes, yes I remember now," I gasped at her touch. I began kneading her breast as I became more aroused again.
"So you like my boobs," my sister stated. "What about my nipples? Do you like them too?"
I stared down at her round, half-dollar size pink nipples that contrasted with her white skin. "Babe, how could I not love them?" With slight hesitation, I moved my mouth down to her left nipple and began sucking.
"Mmmm," Sarah purred in delight as she moved her hand up to entwine my hair and hold my head in place. "That feels amazing." She kept kneading her right breast and pulling her nipple as I sucked on her left. I glanced up to see that my sister had closed her eyes and thrown her head back as she continued holding my head on her nipple. More blood began flowing to my cock as I realized how aroused she was becoming. Her hand began sliding up and down on it as it became longer, thicker, and harder.
"Just like that, baby. It feels so good to have you suck on them."
I paused for a second and moved over to her right breast, "Then let's make sure the other girl gets her turn too." I kissed around the areola before latching my mouth onto her other nipple. Sucking it gently, I played with her left breast with my hand.
My cock was reaching full-mast as her hand slowly moved up and down. "Mmmm," I moaned into her nipple as her fingers grazed over its head.
"I can't believe we're doing this right now. I can't believe my brother is sucking my boobs as I play with his cock. What has the world come to?"
I paused my sucking for a few seconds, "Just enjoy it, babe." My left hand slid down her stomach and rubbed the inside of her thighs.
Sarah whimpered as I moved closer to her pussy. I teased around the outside edges for a bit before moving in slowly to feel her wetness. She was dripping. I rubbed my fingers up and down her vagina opening to lubricate them before moving up to her clit. Circling it with my finger, I elicited another moan from my baby sister. I paused sucking her tit in order to look up at her expression; she had her head laid back on the pillow with her eyes closed and a slight smile on her face.
"Don't stop sucking, Kev," she pleaded as her hand gently held my head in place against her boob. I immediately obeyed and returned my mouth to her chest. Meanwhile, my finger remained circling her clit. Every little bit, I would dip back down to her vagina for more lubrication before focusing on her central pleasure spot.
"God that feels so good," Sarah moaned as I brought her closer to orgasm again. "Your cock feels so good in my hand too. I love how thick and hard it is..."
As she squeezed it again, I moaned into her nipple. I was already nearing orgasm myself. Her delicious boobs and wet pussy were driving me crazy. I couldn't handle how beautifully insatiable my little sister was.
"Just like that, Kev," she commanded as my finger centered on her clit. "Keep going right there." Her breathing became ragged as she got closer and closer. "Keep it up, and I'm going to cum in about five seconds," she pleaded with me.
With that, I felt my own cum getting ready to rush out of my hard cock.
As I approached the point of no-return, I heard the worst noise in the world: a car door slammed outside in the driveway.
Immediately, my heart dropped as Sarah and I both stopped what we were doing and started into each other's eyes. In those five seconds, we contemplated what would happen if our parents walked in on this. I looked at the clock and realized that it was already 5:30pm. How could we be so stupid?
Sarah and I immediately jumped up off the bed and dove for our clothes.
"Fuck, fuck, fuck!" I whispered nervously as I looked for my boxer briefs. "Where are they?"
"They're right here!" she whispered back as she threw them to me. I got one leg in before tripping and falling over.
"Jesus, pull it together, Kev! You need to get out of here before they come up and see you!"
"Where am I supposed to go?" I hissed. "They'll see me coming downstairs!"
Right on cue, we heard the front door open and our mom enter the house. "Kevin? Sarah? Come help me with the groceries, please!" our mother called to us.
"Coming, Mom!" Sarah yelled back down.