[Daikon Purin Su] My Step-Sister That Hasn’t Known Love Yet Has an Anal Secret.

A young man delights in tormenting his naive step-sister Makie by playing a twisted game of doctor, teasing her inexperienced anus with a wand before pushing her petite, schoolgirl-uniformed body to the brink. As she clings to her pillow and admits, "AHHHOOOEEEEE... MY AAAAHHHHNS♡," he escalates the anal play with beads and toys, making her moan, "YOU'LL BE ONLY FOR ME..." and leaving her flushed and desperate under his dominant touch.