"No matter how much you resist, you can't hide the true nature of a female who is hungry for a man. She wants a cock and cries!" My older sister nagging at my younger brother who is always busy.On top of that, the younger brother, who is out of his mind, forces her older sister to take a commercial aphrodisiac and makes her unable to move.Now that he's out of control, he strips off his sister's clothes...the taboo of having sex with his relatives...