Money to raise girls. The sister seemed to like to touch but she would be docile and have to study hard. But it is different from what Kana thought, his brother often gambled and joined gangs. One day, he returned home in fear. When asked, Kana discovered his younger brother stole his brother's money and poured into gambling. He invited you to see him, and he would definitely not save your life. Kana decided to go to the boss to apologize for her sister. Upon seeing Kana, her grandmother was impressed by her beauty. He agreed to forgive his brother's debt, but only on condition. I mean ... you have to become a girl in ten days !!! Then her new life began. She is only allowed to wear sexy or naked underwear to be able to be seductive whenever she wants, even in front of her juniors. But the happiness of her big and strong dick that her boyfriend could not give her.