The older brother, who received a love potion from his senior, decided to use his younger sister, who had become arrogant due to excessive breast development, as an experimental subject for mischief. When he mixed the love potion into her drink, it seemed to have an effect far beyond his expectations, causing his sister to go into an acute heat! "My pussy is so hot and strange... I can't help but crave my brother's dick!!" she pleaded desperately, rubbing her dripping wet pussy against him, begging for sex! The sister, turned into a cock zombie, greedily devoured her brother's dick, repeatedly convulsing in ecstasy, becoming a cock addict with sensitive spots all over her body...!!
