My older brother gave me an aphrodisiac from a senior, so my brother came up with the idea of ​​trying to play a prank on his younger sister, who has grown into a cock and has become a test subject.When I dissolved an aphrodisiac in a drink and gave it to her, it was more effective than I imagined, and my girlfriend's sister was in acute estrus! "My pussy is hot and funny... I really want your brother's cock!"My younger sister who turned into a meat stick zombie devoured her brother's cock and repeatedly convulsed acme, becoming addicted to the cock of the generalized erogenous zone ...! !