KTB-107 - On the last day spent alone with my sister, who decided to leave home after getting married, I thought I would have sex with her many times... but it turned out that my father-in-law was also having sex with her, leading to a competition for her vagina! Shizuka

After dinner, the sister, who had always been satisfying the sexual needs of her reclusive younger brother, finally decided to get married and leave home. "If you just disappear from in front of me, what will I do now!" The sister's mouth and vagina were filled with hundreds... no, thousands of shots of the brother's semen. As if shaking off those memories, the last day alone with her sister and brother was spent having sex from morning till night... but it turned out that the father-in-law was also having sex with the sister! The last day turned into a competition for the cherished vagina, and the sister was busy both up and down♪