I started to push inside her.

Katie’s eyes widened and her mouth fell open in a silent gasp as the thick head of my cock stretched her tight entrance. She was soaking wet, but still so fucking tight. I went slow, inch by inch, watching her face the whole time.

"Tony... Slow.. please go slow"

Her fingers dug into my shoulders, her nails piercing into my skin.

“Tony… oh my God…” she breathed, voice trembling. “You’re so big… it feels… it feels too much…”

“You’re doing so good, baby sis,” I whispered, leaning down to kiss her softly. “Just relax for me. Let me in.”

I pushed deeper. Halfway in...