When I returned to my parents' home for the first time in three years due to work, I lost my mind when I saw my sister's panties, which had become a respectable J-girl... I lured her with pocket money and my demands escalated! I mischievously showed my adolescent sister my big dick, and she became very interested, and while our parents were away, I became so obsessed with my sister's panties that I went wild and had sex for days...