JUFD-970 The utterly lewd younger brother relentlessly takes advantage of his defenseless big-breasted sister. He thought he was seducing his virgin younger brother, but what a reversal! Sari Kashizaka

Saari's younger brother, Ken, is a diligent student who attends a boarding school and returns home during the summer vacation. Saari, who had been a lonely day, was delighted to see her brother return home after a long time, and tried to tease her brother, who was not a woman, saying, "Now my boobs are bare." I will explode the libido like my brother's wild monkey! A single prank awakens her unmatched instincts, and in order to test her knowledge gained from her erotic videos, she is chased around all the time and asked to copulate all over her house.