SOSY-003 — My defenseless and innocent little sister makes me lust after her! Big brother can't hold back anymore! / Yua Haneda

A younger sister who innocently arouses her older brother's sexual desires; her natural eroticism is irresistible! We have prepared scenarios where the younger sister asks her older brother for sex lessons, and where the older brother gets turned on by his defenseless younger sister and has sex with her at night, only to be met with revenge nighttime sex!