Minami is living a happy life, her boyfriend just proposed to her. At this moment, her younger brother suddenly visited after years of not seeing each other. Although her brother said he came to see how Minami's life was, she didn't believe it. Upon questioning, she found out that he owed the yakuza 100 million yen! The amount was too large, Minami couldn't earn it in such a short time. Her brother also knew and didn't want her involved in this matter, he planned to escape. But escaping from the yakuza wouldn't be easy. He is the dearest younger brother to Minami, her only family, so she couldn't just sit and watch. She and her brother went to talk and begged the boss for more time. But he couldn't wait that long. Seeing Minami's extremely seductive body, he immediately had the thought of wanting her. After thinking it through, he made a deal with the two siblings, to be his woman for ten days in exchange for their freedom. Minami's brother strongly disagreed, but since there was no other option, Minami accepted the deal. She was only allowed to wear sexy lingerie, ready to suck his cock, spread her pussy for him to fuck anytime he wanted, even in front of his younger brother! Throughout these ten days, Minami's body was always covered in cum, feeling ashamed but extremely pleasured, making her body gradually more and more debauched. She craved more of his cock, unable to live without being fucked by him! She ignored her fiancé, disregarded her beloved younger brother. Even though the ten days were over, she didn't want to leave, wanting to stay here to be his woman, to enjoy the pleasure he brought...