The younger brother is partying so that the older sister has to sell herself to pay off debts.

Money to support his sister. She seems to like touching, but she will be obedient and must study hard. But it was different from what Kana thought, whose older brother regularly gambled and joined gangs. One day, he returned home in fear. When questioned, Kana found out that her sister had stolen her brother's money and poured it into gambling.

He invites you to meet him, and he will definitely not save your life. Kana decided to go with her sister to the boss to apologize for loving her sister too much. Upon seeing Kana, her grandmother was impressed by her beauty. He agreed to forgive his brother's debt, but only on conditions. I mean you have to be a girl in ten days !! Then her new life began. She is only allowed to wear sexy lingerie or nude so that she can seduce whenever she wants, including in front of juniors.

But the pleasure with her brother's big and strong cock that her boyfriend couldn't give her.