When his son returns home after a long time, his older brother has...turned into a beautiful woman! His father can't even talk to his son because he's so beautiful, his younger sister is curious about her beloved older brother's changed appearance, and his father's new wife is a transsexual?! Even though he's shaken, he can't help but be excited by her mysterious charm, and they end up having a forbidden relationship! A forbidden relationship with a man's daughter who has a stunningly beautiful face but a big, powerful dick between her legs...