I said I was just going to rub it on her panties, but when I inserted it into the fabric, my girlfriend's sister got excited. AKDL-326

[We agreed it would just be rubbing against her panties, but the penetration through the fabric excited her sister.] He accidentally saw her sister's panties...that plump buttocks and thighs were so erotic, he couldn't resist reaching out! "I absolutely won't go in!" "Just rubbing against her panties!" But he penetrated her deeply through the fabric, and her sister started to get excited! "This half-hearted act makes me want to have sex." Her vagina was already soaking wet, and after penetration and vigorous thrusting, her sister became even more excited... [I want to drink semen] [Can't go all the way in] [Forbidden acts are incredibly sweet] [A secret only between the two of us]