[Naidong] My First Kiss Was Stolen by My Big Sister 😭

An older sister with massive, soft breasts and a heart‑shaped ahoge boldly kisses her younger brother while they play a board game, stealing his first kiss in a heated, incestuous encounter. The brother’s shy reaction and the sister’s teasing confidence drive the story, highlighting their close bond and the secret desire that fuels their intimate moments. The vivid, full‑color artwork captures every passionate embrace and the tender, forbidden affection between the two.