I groaned quietly, my hand gently resting on the back of her head, guiding her rhythm. The sight of my innocent little sister on her knees in the bathtub, sucking my cock with such eager devotion while fingering herself, was almost too much.
Lily's movements grew faster and sloppier. She moaned around my thickness, the wet, lewd sounds of her sucking and the splashing water filling the bathroom. Her eyes watered slightly but she didn't stop, pushing herself to take me deeper until I felt the back of her throat.
"Fuck… Lily… I'm going to cum…" I warned, my hips twitching.
She looked up at me with those big, needy eyes and sucked even harder, her tongue swirling desperately. With a deep groan, I came hard, thick ropes of cum shooting straight into her warm mouth.
Lily's throat pulsed visibly as she swallowed everything greedily, not letting a single drop escape. She kept sucking gently until I was completely spent, then slowly pulled off with a wet pop, a thin string of saliva and cum connecting her swollen lips to my cock for a moment.
She licked her lips slowly, savoring the taste with a shy but deeply satisfied smile, her hair wet and clinging to her flushed cheeks.
I sat back down, submerging myself into the warm water again, my body still tingling from the intense release.
"It was too much…" Lily complained softly, her small hand hovering over her flat belly as if she could still feel the warmth of my cum inside her.
She then leaned forward, resting her head comfortably on my chest as we cuddled in the warm water. I laid my head back against the edge of the tub, one arm wrapped around her body, holding her close while her soft, naked skin pressed against mine.
"Big bro… do you really love Lily?" she asked suddenly, looking up at me with her big, sparkling eyes full of vulnerability and hope.
"Why are you asking that all of a sudden?" I blinked, caught completely off guard by the sudden question.
She didn't answer right away. Instead, she looked down at the water, her small fingers tracing lazy patterns on my chest, her tits pressing softly against my side, her hard pink nipples brushing my skin with every breath.
"Are you jealous of Rose now?" I asked gently, already suspecting the truth.
"No… it's not that," she mumbled, pouting cutely as she buried her face against my chest. Lily's cheeks flushed a deeper shade of pink.
"Rose is really sweet to me… but Big bro doesn't spend as much time with me anymore. I feel this weird itch right here…" She placed her small hand on her chest first, then slowly slid it lower, hovering just above her smooth little slit.
Before I could find the right words to reply, Mom's voice called out from outside the bathroom door.
"Alex? Lily? Are you two almost done in there?"
"We're almost finished, Mom!" I quickly answered, trying to sound normal.
"I promise I'll spend more time with you, okay? Just the two of us." Turning back to Lily, I cupped her soft cheek gently.
"Really? Then promise me properly." Lily's eyes lit up with pure happiness. She lifted her little finger toward me insistently.
"Okay, promise. Now get up before Mom finds out. You know this is our little secret, right?" I smiled and hooked my pinky with hers.
"Yeah, I won't tell anyone," Lily said with a cheerful smile, her eyes sparkling with mischief and satisfaction. She stood up from the tub, water cascading down her petite, naked body, droplets running over her perky little breasts and smooth thighs.
* * *
After getting ready, I changed into a neat button-up shirt and pants, feeling somewhat presentable for the small family get-together. I was actually excited for Dad coming home — he always brought back gifts, whether souvenirs or something special.
I left my room and walked toward the stairs, stopping to knock on Lily's door.
"Lily? Are you coming with me?" I called out from the hallway.
"Yes, wait for me!" The door opened almost immediately and Lily stepped out, looking bright and energetic in her sundress.
The sundress was light and summery, the thin white fabric clinging softly to her petite frame. It hugged her big but perky breasts, the outline of her hard little nipples faintly visible through the material, poking out cutely even though she was wearing a thin camisole underneath it.
The hem was short, ending high on her smooth thighs, showing off her slender legs with every movement. The dress swayed playfully as she moved, occasionally riding up and giving teasing glimpse of her upper thighs.
She grabbed my hand with her soft little hands, her fingers lacing tightly with mine as we started walking together down the hallway.
As we descended the stairs, I heard the low murmur of voices coming from the living room. Dad must have already arrived. A deep, loud, familiar laugh echoed through the house, warm and booming, the kind that always filled the space.
It was Dad. He was sprawled comfortably on the couch, one hand holding his phone to his ear while the other rested lazily behind his head. He looked relaxed, suit jacket off and shirt sleeves rolled up.
"Yeah, yeah, I just reached home… yeah… yeah," he said into the phone, his voice carrying that easy confidence he always had.
A couple of suitcases and travel bags sat near the couch, still unopened.
"Daddy!" Lily gushed with pure excitement. She let go of my hand and ran straight toward him, her sundress fluttering around her thighs.
"Okay, I'll talk later," Dad said quickly upon hearing her voice. He ended the call and set the phone aside with a wide grin.
"Lily, come here! Give your old man a hug," he called out warmly, spreading his arms wide for her. His face lit up with genuine joy as she jumped into his embrace.
* * * * *
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